I'd choose B:
1. Muchos gusto - Nice to meet you (in the first sentence people are introducing themselves)
2. Hasta luego - See you soon (in the second sentence people are saying goodbye)
Hope it helped,
BioTeacher101
Yes, because if you think about it, to interrupt is rude so it is imperfect
Answer: I’m doing great “lo estoy haciendo genial”
Explanation: If you wanna ask them a question about how they are then say “I’m doing great how about you?”
Salio, vuelve, van, ven, ven, comprenden, comrendes, comprendo, aprendi, salimos, perdimos, vuelven, volvemos