Idioms and Phrases - Verbal and Reasoning

In the following questions four alternatives are given for the idiom/phraseitalicised and underlinedin the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
Q1:

I cannot conceive of a time when I was without a refrigerator

A Imagine

B Give birth

C Understand

D Depend

ANS:A - Imagine

No answer description is available.