Read the following sentence and determine whether there is an error in it. The error, if any, will be in one part of the sentence. If the sentence is error-free, then select ‘No Error’ as your answer.

Relationships are built (A)/ in kindness and understanding and self-sacrifice (B)/ not on jealousy, selfishness, puffed up (C)/ egos, and rude behaviour. (D)