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:

Some people now wonder whether we just pay lip-service or genuinely subscribe to democracy.

A pay oral tribute

B attach no value

C remain indifferent

D show only outward respect

ANS:D - show only outward respect

No answer description is available.