The Dead Sea is so salty it’s hard for anything to live in it is why it’s called the De

问题补充：

The Dead Sea is so salty it’s hard for anything to live in it, is why it’s called the Dead Sea.

A. that, which

B. that, that

C. /, that

D. /, what

答案：

(答案→)A. that, which

B. that, that

C. /, that

D. /, what

解析：考查状语从句和定语从句。句意：死海太闲了以至于任何生物无法在其里，这就是它称为死海的原因。so + adj + that...引导结果状语从句。that不能引导非限制性定语从句，which可引导非限制性定语从句，代指主句一句话所说的内容。故A正确。