若（x+2）²与|y-3|的值互为相反数，下列代数式的值最大的是（　　）

A．x+y

B．x-y

C．-x+y

D．-x-y

I_____ violin lessons every two weeks, but I think I will make it every week from next month.

A．am having

B．have had

C．have

D．have been having