请选择ABCD7H'n/})\:S2F4W;~ ________are the man and the woman ________ the bike?3h3]4n-I+A'x8w5f'V9R
A. Whose，on3h3]4n-I+A'x8w5f'V9R
B. What，in3h3]4n-I+A'x8w5f'V9R
C. Who，on3h3]4n-I+A'x8w5f'V9R
D. Who's，in3h3]4n-I+A'x8w5f'V9R