7290. The affluence of most visiting Arabs is astonishing.

✅ The correct answer is option B.
Ostentation : the pretentious or showy display of wealth and luxury, designed to impress.

Wealth : an abundance of valuable possessions or money.

Influence : the capacity to have an effect on the character, development, or behaviour of someone or something, or the effect itself.

Endeavour : try hard to do or achieve something.

Affluence : the state of having a great deal of money; wealth.

Synonym of Affluence is Wealth