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

Hearing the son paid little attention to the marriage and _________ he remained _________with his work, the mother was quite anxious if he could find a girlfriend.
A. /, occupied                                                 B. that, to be occupied
C. /, to be occupied                                          D. that, occupied