请选择ABCD:[8Q4D7`7{:~.h0^下列四组词中，_________均是双音节词。(N*q3k9q)s0t7h3M
A.student;beautiful(N*q3k9q)s0t7h3M
B.thing;bedroom(N*q3k9q)s0t7h3M
C.people;thirty(N*q3k9q)s0t7h3M
D.answer;family(N*q3k9q)s0t7h3M