The easiest way to attempt such questions is to throw in some numbers and do trial and error.
The question is asking about the change in values
depending on the change in 
. So, let's play around with .
Take
, then 
Take
, then 
Take
, then 
.
.
.
Take
, then 
Notice how decreases in value for every increase in ?
Therefore, as increases, the value of decreases (always).
Ans: B
The question is asking about the change in values
Take
Take
Take
.
.
.
Take
Notice how
Therefore, as
Ans: B