—Will you join us to play basketball on Saturday afternoon?

—_____ , but I promised to go swimming with Eric. [ ]

A. Never mind

B. Many thanks

C. Take it easy

D. My pleasure

为了应对地质缺陷造成的受力和变形问题，可采取的措施有( )。

A．用桩基础加固

B．加大抗震结构的布置密度

C．加大承载结构的尺寸

D．加大传力结构的尺寸

E．提高钢筋混凝土的配筋率