W: Bob, I'm sure you know about second-hand smoke. M: Of course, I do. W: But have you heard about third-hand smoke? M: Third-hand smoke? I'm afraid not. What is that then? W: Well, it is here in today's paper. Parents may think they are protecting children from second-hand smoke when they smoke outside their home or only when the children are not there. But now researchers are warning about what they call third-hand smoke. When you smoke dangerous matter from cigarettes get into your hair and clothing. As babies are the weakest, when you come to a baby, you pass it to the baby and increase the chances of disease in the baby. M: Is that so? In that case I have to say that I should never get close to a baby. W: That's right. Actually all smoking parents should do the same or better give it up completely., Question: What does the woman suggest smoking parents should do? (A) Stop smoking altogether. (B) Smoke only outside their houses. (C) Reduce dangerous matter in cigarettes.
(A) Stop smoking altogether.