It was a very tempting job offer. I weighed up the ______, but I decided in the end that I wouldn't take it.

【正确答案】 C

【答案解析】解析：句意：这个工作机会十分吸引人。我权衡了利弊，但最终决定不接受。pros and cons正反两方面，利弊。ins and outs兴衰。odds and ends零碎东西。ups and downs沉浮。故选C。