______was known to them all that William had broken his promise______ he would give each of them a gift.

A．As, which

B．What, that

C．It , that

D．It , which

根据国务院常务会议的决定，从2011年起，5个中央部门（单位）和2个企业集团所属共1631户企业纳入中央国有资本经营预算实施范围，并适当提高中央企业国有资本收益收取比例。此举 [ ]

①将强化央企的国有性质

②有利于推进收入分配改革

③有利于规范央企经营，抑制央企盲目投资

④有利于央企实现规模化经营

A．①②③

B．①②④

C．②③④

D．①③④