[单选题]Directions: In this part there is a sentence with four choices marked A, B, C and D. Choose the one that best completes the sentence.The day ( ) Nelson Mandela helped me was one of my happiest.

A

which

B

when

C

that

D

why

正确答案:B
题目解析

( )Nelson Mandela helped me是一个定语从句, 先行词是The day,该关系词在从句中需作时间状语,故选B。

句意:纳尔逊·曼德拉帮助我的那一天是我最快乐的一天。

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