Question

【题目】______ he can hardly read is ____________ he is slow in mind.

A. what; that B. That; what

C. What; because D. That; because

Answer 1

【答案】D

【解析】试题分析：考查名词性从句。句中that引导主语从句，从句中不缺少任何成分；because引导表语从句，在从句中作原因状语。句意：他不能阅读是因为他思维慢。故D正确。