— Come in, please. Make yourself at home.

— _____.

— I'm glad you like it. [ ]

A. Thanks. You have a nice place here.

B. Oh, this picture is so beautiful.

C. Thanks. What nice food you've prepared!

D. OK. Let me look around your new house.

胎儿期是指

A．受孕后8周

B．受孕后12周

C．受孕后28周

D．受孕后40周

E．从受孕到分娩共约40周