Synonym of RECEPTIVE

Answer: Option B

Pretentious : attempting to impress by affecting greater importance or merit than is actually possessed.
Observant : quick to notice or perceive things.
Gracious : courteous, kind, and pleasant, especially towards someone of lower social status.
Generous : showing a readiness to give more of something, especially money, than is strictly necessary or expected.
Receptive : willing to consider or accept new suggestions and ideas.

Synonym of Receptive is Observant