It is desirable that dying patients_______maximum relief of pain and suffering.
A、receive
B、received
C、be received
D、should be received
【正确答案】：A
【题目解析】：本题测试句型“It is desirable (suggested，necessary， requested，ordered，proposed，important)+that+主语+should(可省略) +动词原形”。例如：It is strange that he (should) go himself. (真奇怪，他独自出去了。)本句的意思是：父母临终时最好能够最大程度地减缓其痛苦。