In each of the question , four alternatives are given for the Idiom /Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase .
Put two and two together

Options

A. to mix several things
B. to make an arithmetical calculation
C. to keep people in pairs
D. to deduce from given facts

Answer

D

Explanation

by putting two and two to gether : to guess the truth from what you see, hear, etc. I put two and two together and came up with an idea of who did it. The best option is to deduce from given facts.