In Ms. Demeanor's point of view, children born in the ______ is probably the least respectful generation.

A．2) means ______A. to reserve to a particular useB. to put to one sideC. to make noticeable or outstandingD. to determine to pursue

A．Because low pressure can cause the air in body cavities to expand.
B．Because medical devices implanted in their bodies expand.
C．Because they tend to sit too long in a cramped position.
D．Because the amount of oxygen flowing through their blood vessels is reduced and thus causing chest pains.