VI. Mark the letter A, B, C, or D to indicate the correct response to each of the foIlowing exchanges.
~ Nam: "Would you like to register for an online course on extensive reading?" ~ Lan: " "
A.Online courses are really popular these days.
B.Yes, I'd love to. How can I register?
C.We should improve our extensive reading.
D.Extensive reading courses are available online.