A、  B、  C、  C题目为建议去墨西哥餐馆吃午饭的建议疑问句。What about…常用于表示建议。

Can I send you the bill for Mr. Fletcher’s order?
(A)Yes, the original number.
(B)An official document.
(C)Please do. I’ll see him today.

What about trying out the Mexican restaurant for lunch?
(A)It’s not listed on the menu.
(B)Just down this street.
(C)Maybe we can just order a pizza.