The old man put on his glassessee better.A. on purposeB. in order thatC. so asD. in order

The old man put on his glasses see better.
A. on purpose
B. in order that
C. so as
D. in order to

A. on purposeB. in order thatC. so as(答案→)D. in order to解析：考查目的状语的用法：in order to和so as to都可以做目的状语，in order that后面应该接从句，on purpose是“故意地”，句意是：为了看的更好，老人把眼镜带起来。选D。

这个问题的回答的对