Choose the answer (A, B, C, or D)

Choose the answer ( A, B, C, or D)
1. The twins, together with their parents, _________ to Australia next month
A. is going        B. are going      C. has gone       D. have gone
2. The delivery men _________ at exactly 3 pm yesterday.
A. arrived      B. arrive        C. have arrived        D. were arriving