单选题There would be many more organ donors if ______.A laws are designed to encourage organ recyclingB only a few people become organ donorsC doctors are more willing to ask for donationsD transplant surgery is more successful
题目
单选题
There would be many more organ donors if ______.
A
laws are designed to encourage organ recycling
B
only a few people become organ donors
C
doctors are more willing to ask for donations
D
transplant surgery is more successful