选词填空.1.--where's the cat?----( )under the desk.A:lt B:lt's C:They're

选词填空.1.--where's the cat?----( )under the desk.A:lt B:lt's C:They're

B:lt's
it 代表thecat.

B,因为问句中用的是is，所以是单数，后面指代就要用it。望采纳