单选题 ______ make two ends meet, he had to be careful not to spend too much.
A. In order that B. In order to C. So as to D. So that

【正确答案】 B
【答案解析】in order that和so as to后接动词不定式to do，但so as to通常不能放在句首。so that和in order that后接从句。