A．Architects should scrap or clean the original landscape elements.
B．Architects should incorporate the features of the original landscape.
C．Architects may refer to many architecture books.
D．Architects have to learn more techniques.

A.Architects
B.
B．Architects
C.
C．Architects
D.
D．Architects

【参考答案】

B
解析：What suggestion did the professor give to architects?