在反应2A+5B═2C+4D中，C、D的相对分子质量之比为9：22．若5.2gA与B完全反应后，生成17.6g D．则在此反应中，B与D的质量比为（　　）

A．4：9

B．8：11

C．10：11

D．31：44

Several theories of evolution had historically preceded that of Charles Darwin, although he expounded upon the stages of development.

A．found fault with

B．explained in detail

C．outlined briefly

D．offered in published form