It was an increase in reported cases of malaria along the Gulf Coast that in 1921 led the health authorities’ granting a permit for experimentation with human subjects to the group that later would be called by the name of Unimedco. (A) authorities’ granting a permit for experimentation with human subjects to the group that later would be called by the name of (B) authorities’ granting a permit for experimentation with human subjects to the group that later to be called by the name of (C) authorities’ granting a permit for experimentation using human subjects to the group that later would be called by the name of (D) authorities to grant a permit for human experimentation to the group later called(D) (E) authorities to grant a permit for human experimentation to the group that later would be called by the name of.
此题为什么选D呢?? |