When Congress reconvenes, some newly elected members from rural states will try and establish tighter restrictions for the amount of grain farmers are to be allowed to grow and to encourage more aggressive sales of United States farm products overseas.
and establish tighter restrictions for the amount of grain farmers are to be allowed to grow and to encourage
and establish tighter restrictions on the amount of grain able to be grown by farmers and encouraging
establishing tighter restrictions for the amount of grain farmers are allowed to grow and to encourage
to establish tighter restrictions on the amount of grain capable of being grown by farmers and encouraging
to establish tighter restrictions on the amount of grain farmers will be allowedto grow and to encourage
C选项 and 后面 to encourage, and前面没有不定式与之并列
D选项and 后面encouraging,and 前面没有ing与之并列
E选项对
用平行 to establish and to encourage >選E
C选项,being grown by farmers and encouraging是由and引起的平行结构,可是D选项并不平行
D capable of being 被动语态不优
grain (that)capable of being grown by farmers and encouraging---being和encouraging平行 错误