He always did well at school ______having to do part-time jobs in his spare time. ( )
【正确答案】 C
【答案解析】解析:译文:尽管他业余时间不得不做一些兼职,但他学习成绩还是很好。in spite of意为尽管、虽然,含有让步含义,符合本题语义。regardless of意为不管、不顾。on account of意为由于、基于。in case of意为以防、防止。答案为C。