—ThesedaysIfeelexhaustedandlackstrength.—That's

问题详情：

 —These days I feel exhausted and lack strength.

—That's _____ too much drinking and poor diet lead.

  A. what　　 B. which　　　　　  C. why　　　 D. where

【回答】

 D

知识点：复合句

题型：选择题