问题
选择题
If only he _______ quietly as the doctor instructed, he would not suffer so much now.
A．lies
B．lay
C．had lain
D．should lie
答案
C.
if only 意为“要是……就好了”，其后的句子谓语要用虚拟语气，同时根据 as the doctor instructed 中的过去时态可知从句是与过去事实相反，故选 C.