Direction: Improve the bracketed part of the sentence.
The duo's network was (made to learn identify) true signals using previously vetted signals, they then studied the weaker signals.

Options

A. a) made to learn to identify
B. b) made to learning to identify
C. c) made learning to identify
D. d) No Improvement

Answer

A

Explanation

Here, infinitive : to + `V_1` i.e. made to learn to identify ..... should be used.