___ makes this shop different is that it offers more personal services.
A. What
B. Who
C. Whatever
D. Whoever
___ in the regulations that you should not tell other people the password of your bank account.
A. What is required
B. What requires
C. It is required
D. It requires
___ she will be given this job is still under discussion.
Although
B. Whether
C. What
D. If
___ he was chosen as the key member made us all more than happy.
A. Because
B. When
C. That
D. What