Supply the most appropriate (not stronger than necessary or too weak) missing premises that will result in a deductive argument:
1) Since this is the second time you've caught her cheating, she should be flunked.
A. She was cheating.
B. She was caught cheating.
C. Anyone caught cheating should be flunked.
D. Anyone caught cheating a second time should be flunked.
2) Colonel Mustard could not have murdered Professor Plum, because the two men were in separate rooms at the time the professor was killed.
A. Professor Plum was murdered.
B. So Colonel Mustard is not the murderer.
C. You can't kill somebody if you aren't in the same room.
D. Colonel Mustard was not in the room where the Professor was killed.
3) Mzbrynski proved Goldbach's conjecture; that makes him the greatest mathematician ever.
A. Mzbrynski is a mathematician.
B. Only the greatest mathematician ever could prove Goldbach's conjecture.
C. Whoever is the greatest mathematician ever could prove Goldbach's conjecture.
D. Goldbach's conjecture can be proven.