D is the correct answer since all others are highly unlikely.
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
Secretary of defense is ahead but not a soldier in rank
In ranking its the general (which is the highest rank in the army)
It will be a Compound, because it will use Multiple Optical lenses
i believe the answer to be B