Re: The hunting down of Stalin’s, mortal enemy had involved a
[#permalink]
21 Oct 2020, 20:54
The hunting down of Stalin’s mortal enemy had involved a large diversion of resources from other tasks of …………. However, the Soviet spy network was not ineffective in the 1930s.
Spy is the keyword and after all, it was operative somehow.
C and E are the best words to fit in because the sentence maintains the same balance before and after the full stop. Therefore, the blank words must convey the same meaning of spy
Regards