you are a college student you should learn to be independent of your parents’ help.A. Now

问题补充：

you are a college student，you should learn to be independent of your parents’ help.

A. Now that

B. While

C. Unless

D. Even though

答案：

(答案→)A. Now that

B. While

C. Unless

D. Even though

解析：连词短语now that既然（that有时可以省略）；while当…时；然而；尽管；unless除非，如果…不…；even though尽管，即使；句义：既然你是一名大学生，你应该学会独立，不依靠父母的帮助。Now that引导的是原因状语从句。本题上下文之间正存在着因果关系。故A正确。