单选题
She opened the door quietly ______ wake up her sleeping baby.
A、
in order that
B、
so that
C、
in order to
D、
so as not to
【正确答案】
D
【答案解析】
[解析] 她轻轻地把门打开,以免把她熟睡的婴儿惊醒。so as to的否定形式为:so as not to,前三个选项句意显然不符。
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