In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
One who has witnessed a debate ______ argument between two men _____________ strong intellectually, one of whom is a trained logician and the other lacking this advantage, will never forget the impression produced _________ him by the unequal struggle. The conflict is like that of a ____________ wrestler, untrained in the little tricks and turns of the science, in the various principles of applying force in a certain way at a certain time, at a certain place, with a __________ and experienced wrestler.
certain place, with a __________ and experienced wrestler

Options

A. trained
B. train
C. training
D. trains

Answer

A, D