Many people have donated that type of blood but the blood bank needs .A. moreB. lessC. ma

问题补充：

Many people have donated that type of blood, but the blood bank needs .

A. more

B. less

C. many

D. little

答案：

(答案→)A. more

B. less

C. many

D. little

解析：A 考察比较级。句意：很多人都已经贡献了那种型号的血，但是血库需要更多该种型号的血，根据句意可知more正确。