I taking his illness lying down, he insisted on working to the end heart and soul.
A. On account of
B. In the face of
C. Instead of
D. In front of
网友回答
A. On account of
B. In the face of
(答案→)C. Instead of
D. In front of
解析：On account of意为：因为，由于；In the face of 意为：面对；Instead of意为：代替，而不；In front of在前面。