3. When are you going to use smash in Badminton?
A. When your opponent returns a drop shot.
B. When your opponent is off-guarded and returns the shuttlecock
near the net in hairpin shot.
C. When your opponent is about to receive the shuttlecock directly and
parallel to the height of the net.
D. When your opponent is off guarded and returns the shuttlecock in
mid-court and in clear flight.​