_
빈칸에 들어갈 단어로 알맞은 것은?
we have heard that a lot of innocent people have died in the military operation. do you think that the price is ______ it?
1 worthy
2 valuable
3 worth
4 valued
5 worthwhile

참고로 문제집 정답지엔 3번으로 되어 있습니다...
죄송하지만 ,,,
문제에 대한 설명과 빠른 답변 부탁드립니다..