I believe the answer is D.
A. or "The family is letting us stay at their cottage"
The other one makes no sense in proper grammar
Is it 4000 psi, 3500psi and 3000psi
Answer ;
1- He have arguments with his friends.
2-It is difficult to make.
3- He found the problem.
4- I never speak .
5- Did they give you advice ?
-I think these are the right answers