sat 语法题一道.(They use light that is 100 million times dimmer t
sat 语法题一道.
(They use light that is 100 million times dimmer than the midday sun,and )tropical nocturnal sweat bees leave their nests to forage for food.
B.By using light that is 100 million times dimmer than midday,
C.In light that is 100 million times dimmer than the midday sun,
正确答案是c.为什么不能选b