You are so dependent that I'm afraid you can't adjust yourself to alone for a time.A. lea

问题补充：

You are so dependent that Im afraid you can adjust yourself to alone for a time.

A. leave

B. leaving

C. be left

D. being left

答案：

A. leave

B. leaving

C. be left

(答案→)D. being left

解析：句意：你是这么依赖以至于我害怕你不能适应自己被单独留下一段时间。Adjust oneself to doing“适应…”,而且yourself和leave alone是被动关系，用动名词的被动。选D。