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

A.lives; are well sold

B.lives; sell well

C.living; sell well

D.living; are well sold

答案及解析： C

解析：

考查动名词做后置定语，living in Edinburgh修饰a poor single mother，书卖得好用well修饰，所以选C