题目

根生长最快的部位是（ ） A . 伸长区 B . 成熟区 C . 根冠 D . 分生区 答案：A______ prevent her from attending the meeting, he took away the key to their car ______.A. So as to; by mistakeB. In order to; on purposeC. In order to; to her surpriseD. So as to; in surprise