AMC 10B 2015 Problem 10

What are the sign and units digit of the product of all the odd negative integers strictly greater than -2015 ?

Answer Choices
A. It is a negative number ending with a 1.
B. It is a positive number ending with a 1 .
C. It is a negative number ending with a 5.
D. It is a positive number ending with a 5 .
E. It is a negative number ending with a 0.