[听力原文]
W: John is taller than Tom, but shorter than Mike.
M: But you are taller than Mike.

Who is the shortest（）

A．Ten yuan and ninety fen.
B．Twenty yuan and ninety fen.
C．Twenty-one yuan and fifty fen.
D．Ten yuan and fifty fen.

A．A pair of blue gloves,
B．A pair of white gloves.
C．A pair of black gloves.
D．A pair of green gloves.