Question

Is _______ your brother?

1. A.
   his
2. B.
   her
3. C.
   these
4. D.
   that

Answer 1

D
考查代词. his 他的; her她的;these这些;that那个;根据下文your brother你的哥哥,可知人称代词用he或者用指示代词that,故选D