The best female students of science are increasingly choosing medical school over nursing school, while nursing is still largely viewed as a profession for females; the result of these two simultaneous phenomena are a shortage of nurses and an increasing number of female doctors.

the result of these two simultaneous phenomena are a shortage of nurses and an increasing number of female doctors
the result of these two simultaneous phenomena are that there are not enough nurses and there are an increasing number of female doctors
the result of these two simultaneous phenomena is a shortage of nurses and an increasing number of female doctors
these two simultaneous phenomena are resulting in a shortage of nurses and an increasing number of female doctors
these two simultaneous phenomena, the result of which is a shortage of nurses and an increasing number of female doctors

OA - C

The peculiarity of this example is that OE says "Option D is awkward"

Please post your analysis

Thanks