[A] call on scientists to take some actions
[B) criticize the misguided cause of animal rights
[C] warn of the doom of biomedical research没提
[D] show the triumph of the animal rights movement相反
[A] cruel but natural作者态度相反
[B) inhuman and unacceptable正确
[C] inevitable but vicious未提inevitable
[D] pointless and wasteful 未提
[A] discontent with animal research
[B)ignorance about medical science Such well-meaning people just don\'t understand.
[C] indifference to epidemics