问题补充:
The old couple, had been admitted to university, were living a hard life.
A. both their children
B. both of whom children
C. both of whose children
D. whose their children
答案:
A. both their children
B. both of whom children
(答案→)C. both of whose children
D. whose their children
解析:考查定语从句。句中先行词为the old couple,both of whose children即老夫妻的两个孩子都。句意:老夫妻的两个孩子都被大学录取了,过着艰难的生活。