题目：
单选题
The explanation for " to move heaven and earth to do something" is ( ).
- A“to make every effort to achieve or obtain something”
- B“to lose the opportunity to do something”
- C“to do something without proper material”
- D“to understand the nature of one's work and be competent in the performance of them”
答案：
<查看本题扣1积分>