Mark the letter A, B, C, or D to indicate the sentence that best completes each of the following exchanges.

Hoang: “__________.”

Duc: “That's a good idea! Then we'll still have a couple of hours left.”

A. I'd like to suggest we see the Imperial first. Then we'll have more time for the second attraction.

B. Why don't we see the Imperial first? Then we'll have more time for the second attraction.

C. What do you think about we see the Imperial first? Then we'll have more time for the second attraction.

D. How about see the Imperial first? Then well have more time for the second attraction.

We can also see the stone dragons of Kinh Thien Palace and relics associated with many Vietnamese royal families, ______ during archaeological excav ations.

A. discovered

B. being discovered

C. to discover

D. discovering