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
　　(E) authorities to grant a permit for human experimentation to the group that later would be called by the name of
　　(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
　　(E) authorities to grant a permit for human experimentation to the group that later would be called by the name of
