195. Dr. Tonegawa won the Nobel Prize for discovering how the body can constantly change its genes to fashion a seeming unlimited number of antibodies, each specifically targeted at an invading microbe or foreign substance. (A) seeming unlimited number of antibodies, each specifically targeted at (B) seeming unlimited number of antibodies, each targeted specifically to (C) seeming unlimited number of antibodies, all specifically targeted at (D) seemingly unlimited number of antibodies, all of them targeted specifically to（E） (E) seemingly unlimited number of antibodies, each targeted specifically at 为什么此时specifically要放在 targeted 的后面~~~我觉得应该each specifically targeted at... 请NN们指教~~我就是因为这样想的所以把E选项给排除了~~~ | 
