A-A+
In the early part of the 20th century physici
问题详情
In the early part of the 20th century, physicians discovered that blood transfusions often failed because ______.
A．the blood type of the donor was not compatible with that of the recipient
B．the blood type of the recipient was not suitable for that of the donor
C．blood type A contains red blood cells that have a substance A on their surface
D．blood cells are necessary for blood transfusion请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：根据文章第一段第二句话来做，注意be compatible with “与……兼容”；be suitable for“适合……”。
