给下列句子选择合适的答语。
⑴What's this?{#blank#}1{#/blank#} A. They are apples.
⑵Is this a pig?{#blank#}2{#/blank#} B. It's on the farm.
⑶What do they have on the farm?{#blank#}3{#/blank#} C. Yes, it is.
⑷What are they?{#blank#}4{#/blank#} D. It's a cat.
⑸Where is the cow?{#blank#}5{#/blank#} E. They have hens, ducks and pigs.