问题

The medicine ___ as soon as you take it. But it ____ the blood.
A:brings into effect; effects
B:takes effect; has a bad effect on
C:comes into effect; has little effect on
D:is carried into effect; has much effect on
B:takes effect; has a bad effect on
C:comes into effect; has little effect on
D:is carried into effect; has much effect on
正确答案是: