题干
下列有关推理不正确的是（ ）
A：后代全为显性，则双亲必为显性纯合体
B：隐性个体的显性亲本必为杂合体
C：显性个体的基因型难以独立确定
D：隐性性状的个体是纯合体
答案(点此获取答案解析）
A
to be ________ ones that you have done, but after taking ________ second look, you will find that they are different．
