In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Determine the nature of the disease

Options

A. investigate
B. determine
C. diagnose
D. detect

Answer

C

Explanation

diagnose (v.): to say exactly what an illness or the cause of a problem is investigate (V.): to carefully examine the facts of a situation, an event, a crime, etc, to find out the truth about it or how it happened determine (V.): to discover the facts to calculate exactly, establish detect (V.) : to discover/notice something that is not easy to see, hear, etc.