题干
---I’m sorry to keep you waiting for so long, I’ll shorten the working time.
--- ________. I’m not in a hurry.
--- ________. I’m not in a hurry.
A：Take it easy
B：Take your time
C：Not at all
D：Do as you like.
答案(点此获取答案解析）
B
号和二号家庭均不携带对方家庭出现的遗传病基因。下列说法正确的是