C
not only放在句首,后接句子时要用倒装结构：
(1) Not only should proletarians emancipate themselves but also the whole mankind.无产者不仅要解放他们自己,而且要解放全人类.
(2) Not only does television appeal to those who can read but to those who can't.电视不仅吸引阅读的人,而且也吸引了不会阅读的人.
in one's thirties 在某人三十几岁时