In the sentence "Using a moderately powerful desktop computer running a music composition program and a '500 synthesizer" (paragraph 2) , the word "moderately" has the meaning of ______.

A．strict enforcement.
B．public support.
C．government assurance.
D．filial awareness.

A．play an insignificant role in solving social problems.
B．are helpful to the elderly when they sue their children.
C．are very important in preserving Asian uniqueness.
D．are significant in helping the Bill get approved.