A company discussed the necessity of establishing branches in 4 locations, including A, B, C, and D. Zhang said: Branch offices should be built in A or D. Li said: I don't agree to build in A and D Wang said: I made sure after investigation that establishing a branch office at A is a very unwise idea. Later, it turned out that Zhang, Li, and Wang were all right.
the construction location of the branch?
D or C