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. es into effect; has little effect on
D. is carried into effect; has much effect on
网友回答
A. brings into effect; effects
(答案→)B. takes effect; has a bad effect on
C. es into effect; has little effect on
D. is carried into effect; has much effect on
解析：考查短语。takes effect起作用，生效；have a bad effect on对……有坏的影响。句意：这种药你一服用就起作用，但对你的血液有坏的影响。