Sartre, an inadvertent guru, had an opinion on everything, painfully considered, elaborately reasoned, often changed.
often changed
and it was usually changed
that was often changed
changing often
one he often changed
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option A, consisting of the adverbial modifier often and the verbal adjective changed, is most closely parallel to the two preceding predicates.
和前面的两组“副词 + 形容词”的结构并列
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option A, consisting of the adverbial modifier often and the verbal adjective changed, is most closely parallel to the two preceding predicates.
和前面的两组“副词 + 形容词”的结构并列