7. Suicide is not a fool-proof or painless proposition. The cruel fact is that suicides often fail, in which case the person who attempted to kill himself has to face many dreadful consequences such as permanent brain damage, severe burns, or lifetime disability. On the brighter side, if one does survive a suicide attempt, he will live to discover the truth about depression, the most common reason people commit suicide, which is that it really is a temporary condition. The very circumstances that made you plunge into the swamp of depression could always chage, and there are various kinds of medications that could chase away your bad mood. The old saying that suicide _____________ is sage advice.

a. is a permanent solution to a temporary problem
b. is a temporary solution to a permanent problem
c. does not take away the feeling of sadness
d. reveals truth about depression
자살은 영구적인 문제에 대한 순간적인 해결책이다. 라는 말이 되야하지 않나요???
근데 답은 그 반대로 a라네요. 내용도 어렵고 잘 이해가 안가용 ㅠㅠ