据国外媒体报道，2010年1月12日，美国宇航局最新天文望远镜—广域红外探测器“WISE”发现一颗围绕太阳运行的小行星，代号为“2010AB78”， “WISE”观测的数据显示，该小行星与太阳的距离约等于地球与太阳的距离，但由于其轨道倾斜，所以离地球很远，不会对地球构成任何威胁。已知火星围绕太阳公转的周期约为2年，假定该小行星和火星均以太阳为中心做匀速圆周运动，则小行星和火星绕太阳运行的速度的比值约为

A．

B．

C．

D．

The PM and the project team have completed decomposition and have verified scope, when the marking department makes a minor change to the product functionality to improve its appeal to the end customer. The PM and the project team ______ .

A．refuses to accept the change since the scope has been verified

B．modifies the WBS and the decomposition

C．accepts the change and incorporates it into the WBS, modifying the budget and the schedule and assigning accountability to the marking team

D．proceeds per the change process