He always did well at school_____having to do part-time jobs every now and then.

A. in case of

B. in spite of

C. regardless of

D. on account of

这里正确答案学B，从意思上我理解，但是in spite of 不是后面只接名词或短语，不接从句吗，having to do part-time jobs every now and then.是句子呀，为什么还可以使用呢？