When the big bills for mother’s hospital care came father was glad he had money in the ba

问题补充：

When the big bills for mother’s hospital care came, father was glad he had money in the bank to .

A. fall short of

B. fall through

C. fall back on

D. fall in with

答案：

A. fall short of

B. fall through

(答案→)C. fall back on

D. fall in with

解析：短语辨析。A.缺乏 B.落空；失败 C. 依靠 D.偶然遇到；赞同。句意：当母亲住院治疗的天价账单送来时，父亲很高兴他有银行的钱可以依靠。故选C。