读句子，选出最佳应答语。
⑴Are these your shoes? {#blank#}1{#/blank#} A. It's a T-shirt.
⑵What are these ? {#blank#}2{#/blank#} B. They are keys.
⑶What is this? {#blank#}3{#/blank#} C. Yes, they are.
⑷Is this your blue shirt? {#blank#}4{#/blank#} D. It's Jenny's.
⑸Whose sweater is this?{#blank#}5{#/blank#} E. No, it's not.
