问题
选择题
Polly’s mother was anxious about ______ she could get home safely in ______ foggy a day.
A．whether; that
B．if; that
C．whether; such
D．if; so
答案
答案：A
句意：波利的母亲非常担忧她否能够安全到家在浓雾的一天。这是一个宾语从句，做介词的宾语，连词不用if，第二空: that 为副词，那么，相当于so,所以选A。