问题
选择题
She admitted _______ trouble ________ her studies and playing basketball.
A．to have ; balancing
B．having ; to balance
C．to have ; to balance
D．having ; balancing
答案
答案：D
题目分析：admit后的动词应该用动名词形式，即admit doing。have trouble/ difficulty (in) doing sth, 是一固定短语，表示：做某事有困难。句意：她承认很难在学业和打篮球之间求得平衡。