问题
选择题
People take naps at noon in warmer climates, ______ the heat makes work difficult in the early afternoon.[ ]
A．which
B．what
C．where
D．when
答案
答案：C
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People take naps at noon in warmer climates, ______ the heat makes work difficult in the early afternoon.[ ]
A．which
B．what
C．where
D．when
答案：C