help please give metal!!!!

At Cooper High School, jazz band is only offered as a zero-hour (before school) class.
Dan has a zero-hour class.
Conjecture: Dan is in jazz band.

Use deductive reasoning to verify the conjecture, or provide a counterexample if the conjecture is false.

Question

help please give metal!!!!

At Cooper High School, jazz band is only offered as a zero-hour (before school) class. 
Dan has a zero-hour class.
Conjecture: Dan is in jazz band.

Use deductive reasoning to verify the conjecture, or provide a counterexample if the conjecture is false.

anonymous · Answer

A.
true; law of detachment
B.
true; law of syllogism
C.
false; Dan may be enrolled in a different zero-hour class
D.
false; Dan can never be in jazz band