As he never raises a finger to help me with the dinner, I       the thanksgiving meal from this afternoon till now.

A．have been preparing

B．prepared

C．had been preparing

D．prepare

关于东方书画和西方油画的特点，说法正确的是（）

A、两者都强调写实

B、两者都强调写意

C、前者强调写意，后者强调写实

D、前者强调写实，后者强调写意