1）evidence 后面接 that clause，作 evidence 的同位语句，解释说明 evidence；
2）时态：340,000 years ago = 时态关键词，所以动词 explode 用过去时；
3）修饰语 as bright as the full moon 修饰 star，意思是 ...的星星；
4）doing sth. 放句末，作结果状语，其逻辑主语为 a star exploded into view 340,000 years ago
【have long been recognizing】wrong 完成被认定这件事不可能持续进行；
D：【and】平行标志，while HH is identified with ……，scholars have long recognized him as a ……and a……【and】 he was…… 从平行角度考虑此时and后面用现在时态(或将来时)；从语义考虑 用who 从句限定修饰 versatile artist 非常合理！
A:【 could 】- The tree is able to produce in the past and not anymore. This sentence is talking about a general phenomenon,一般现在时表普遍的性质或现象，更优；in that只能表达很弱的关联性，没有because的因果关联性强；
B：The tree is not 【dependent】 on anything. The production of Berries depends on the size of the tree and climate and altitude.
Verb-ed modifier can only modify the closest noun. 过去分词只能就近修饰名词
C：The sentence fragment "depending on both its size and on climate and altitude" 分类平行结构【its size】and【climate and altitude】✔
D：【 being】 is not required -> remove the being and change 【dependent】 to depending -> the sentence is great. 【of producing】表intent用不定式；
E：【dependent】错，【as well as】删去句子结构不完整，【could】改为一般现在时。
describing an evolutionary phenomenon and speculating about its cause
the actual relationship between these environmental factors and the diversification of life forms is not yet fully understood
1) Pronouns - The opening of the sentence states that "In a blow to THOSE…."; here, the word "those" is a pronoun. In the answers, we see that some have an extra pronoun and some don't. Since we already have a pronoun, we do NOT need another pronoun immediately next to it. That extra pronoun is redundant (and unnecessary). Eliminate A, B and C.
开头句those后面不能跟代词，否则重复
2) Verbs - Between D and E, we have the verbs "enables" (present tense) and "will enable" (future tense). Since the watchdog group "recently uncovered the trick", we're dealing with something that's happening in the immediate present. The verb "enables" is required here. Eliminate E.
【recently uncovered a trick】已经发生，后面用【will enable】不妥
1、BE "having __ed" (without a comma)不选，havedone表完成，ving现在进行，放在一起说不通；
2、as well as 作为介词，常跟n.&adj.&prep.&doing, 有主次之分；as well as 结构去掉后，句子结构仍然完整；
3、CDE carbon dioxide gas不可数名词，用less修饰；other gases 可数名词，用fewer修饰；
4、语义：【燃烧更少的化石燃料】和【释放更少的CO2】是平行关系还是主次关系，应该是主次。
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seamstresses, meanwhile, were impatient with the remaining restrictions on their right to clothe women.