问题补充：
I arrived half an hour earlier I had time to talk with him before the meeting.
A. as soon as
B. as a result
C. in order to
D. so that
答案：
A. as soon as
B. as a result
C. in order to
(答案→)D. so that
解析：短语用法辨析。A一…就；BC项后面半年内接句子；D为了…；以至于…;句意：我早到了半个小时，以便于我在会议开始前有时间和他谈谈。故D正确。
