As the roll off factor in raised cosine rolloff filter __________ the occupied bandwidth ________

As the roll off factor in raised cosine rolloff filter __________ the

1.	As the roll off factor in raised cosine rolloff filter __________ the occupied bandwidth ________
A.	Increases, decreases
B.	Decreases, constant
C.	Increases, increases
D.	Decreases, increases
Answer» D. Decreases, increases