Today is my birthday and my mother a cake me.A. making toB. is making forC. is doing

问题补充：

Today is my birthday and my mother a cake me.

A. making, to

B. is making, for

C. is doing, to

D. doing, for

答案：

A. making, to

(答案→)B. is making, for

C. is doing, to

D. doing, for

解析：在英文中，表示为某人做蛋糕可用make a cake for sb，故本题选B。