请选择ABCD:x5Z,G2h)J6D — _______ is younger ?.T4r'D2o*p;\.{/G8f
— We are as old as each other..T4r'D2o*p;\.{/G8f
A. Who.T4r'D2o*p;\.{/G8f
B. What.T4r'D2o*p;\.{/G8f
C. Whose.T4r'D2o*p;\.{/G8f
D. Where.T4r'D2o*p;\.{/G8f