Question

—Who is your new head teacher this semester?

—The woman ____     is wearing a red skirt.

1. A.
   whom
2. B.
   who
3. C.
   whose
4. D.
   which

Answer 1

B
B 考查定语从句。The woman是先行词，指人时用who/ whom，定语从句缺少主语，故用who。