A：粗盐
B：生铁
C：石灰石
D：液氧
下列杂交组合中，子代基因型种类和表现型种类数相同的一组是（ ）
①Is there a map on the wall?____ A.She is a worker.
②What 's your mother 's job? ____ B.You're welcome.
③Thank you. ____ C.14.
④How many boys are there ? ____ D.She's fine.
⑤How is your mother? ____ E.Yes,there is.
