My friend Albert has decided to buy a motorbike. His car was stolen last week

A. My friend Albert, who his car was stolen last week, has decided to buy a motorbike. 

B. My friend Albert, his car was stolen last week, has decided to buy a motorbike. 

C. My friend Albert, whose car was stolen last week, has decided to buy a motorbike. 

D. My friend Albert was stolen his car last week has decided to buy a motorbike.