问题：
[不定项选择题] Australia’s frogs are having trouble finding love. Traffic noise and other sounds of city life, such as air conditioners and construction noise, are drowning out the mating calls of male frogs in urba
A、Air conditioners and construction noise.
B、The urban noises and the lack of rainfall.
C、The change of the frequency of the mating call.
D、Fewer ponds.
参考答案：
B、The urban noises and the lack of rainfall.
● 参考解析
