True.This is because in order to communicate you need to listen and debate with other people as well as speak to get across your thoughts and opinions. If you couldn't speak, how would you communicate?
The answer would be A) Cacti's
If you want to make a past emphatic tense, you need to use the verb DID + the present form of that particular verb. Assuming that the verb you need is TELL, the correct answer here would be did tell.
We did tell you how to find our house.
In his viewpoint, the ghost represents the one who is justified as an odd man. "Ways" that he think are the discrimination, unfair justification, ignorance to the truth, and spreading fake news.