选D that
因为这个就和the weather in nanjing is not as hot as that in chengdu
道理是一样的
that 指代food in chengdu不可数,同名不同物,
it 是同名同物
those 是复数
选D that
因为这个就和the weather in nanjing is not as hot as that in chengdu
道理是一样的
that 指代food in chengdu不可数,同名不同物,
it 是同名同物
those 是复数