答案

D

解析

在“one of+復(fù)數(shù)名詞+定語從句”中，定語從句一般被看成修飾復(fù)數(shù)名詞，因此該從句的謂語用復(fù)數(shù)形式；在“the only one of+復(fù)數(shù)名詞+定語從句”中，定語從句常看成修飾單數(shù)名詞，從句謂語用單數(shù)形式。

This is one of the best novels that have appeared this year.

He was the only one of the boys who was given a prize.

由此可以排除B和C；

“for+時(shí)間段”是現(xiàn)在完成時(shí)態(tài)的時(shí)間狀語，故選D項(xiàng)。