Answer:
ok I LÒVE YOU TOO muah haha
I think it was well written because the concept seems interesting in itself that people could go back in time or into the future. Albert Einstein has a better theory though
D. Activating Background knowledge
Since nothing is underlined i presume that the underlined pronoun is them. It is in the dative case because them is an object and answers the question to whom was something done. Them refers to the trainer's team.
The answer to the question is C.