Answer: False, True, True, True.
Explanation:
A : False, if you place the same parallelogram back to its original place, it wont change its size.
B : True, if the two sides are parallel originally, then it will most likely be parallel for the final product.
C : True, you can move the parallelogram back to its original state, and the two sides are equal to the final product.
D : True, just like B, if the original is the same length, chances are that the final product will be equal.
(please comment if I got it wrong)