Only those who follow their dreams achieve the final successA. do theyB. can theyC. they

问题补充：

Only those who follow their dreams achieve the final success．

A. do they

B. can they

C. they can

D. can

答案：

A. do they

B. can they

C. they can

(答案→)D. can

解析：考查情态动词。who follow their dreams是those的定语从句。Those是句子主语，不缺主语，且Only修饰句子主语时不倒装，所以选D。