All the Harry Potter books by Joanne Rowling, a poor single mother ____ in Edinburgh,        ______all over the world.

A．lives; are well sold

B．living; sell well

C．lives; sell good

D．living; are well sold

接触生物机体的环境污染物透过生物膜的生物转运过程，主要分为（）、（）和（）三种方式。