出卷网(Chujuan.Net)为中小学教师出题组卷参考：月考试卷、模拟试卷、期中期末试卷

If he had a real talent for painting, a painter he should be; if not, he must take to some other craft, ________he would have the chance of making himself a decent livelihood.

A．where	B．which
C．what	D．when