Answer:
D is true, E is true, F is true
Explanation:
Hello,
n is an odd number it means that n = 2a+1 where a is integer
A

this is not an odd number
B

this is not an odd number
C

this is not an odd number
D

so this is an odd number
E

so this is an odd number
F

this is an odd number
hope this helps