He suggested visiting Moc Chau to learn about Thai...

Câu hỏi: He suggested visiting Moc Chau to learn about Thai and H’mong people.=> What about ________________________

A. visiting Moc Chau to learn about Thai and H’mong people?

B. visit Moc Chau to learn about Thai and H’mong people?

C. to visiting Moc Chau to learn about Thai and H’mong people?

D. to visit Moc Chau to learn about Thai and H’mong people?