Select the most appropriate option in the underlined segment in the given sentence. Radium __ rays that blind the eyes.

Options

A. gives away
B. gives over
C. gives up
D. gives off

Answer

D

Explanation

give off (Phr.V.) : to produce something such as a smell, heat light etc.
give away (Phr. V.) : make a gift of
give over (Phr.V.) , to tell somebody to stop doing something
give up (Phr.V.) : to stop trying to do something
Here, gives off is the right option.