What is a feature of HP Compaq 8300 Elite All-in-One PCs?

A.
23-inch HD monitor with adjustable orientation and multi-touch features

B.
extra-sensitive keyboard that provides the look and feel of a tablet computer

C.
includes the HP OfficeJet Pro 8600 All-in-One MFP

D.
extra power supply that provides more access to power-intensive operations

Explanation:
Reference:http://h10010.www1.hp.com/wwpc/us/en/sm/WF05a/12454-12454-64287-321860-
3892085-5272027.html?dnr=1(features, first bulleted point)