题目

阅读下列短文：从每题所给的 A、B、C、D 四个选项中，选出最佳选项，将正确的选项涂在答题卡上。C Enough “meaningless drivel”. That's the message from a group of members of the UK government who have been examining how social media firms like LinkedIn gather and use social media data. The House of Commons Science and Technology Committee's report, released last week, has blamed firms for making people sign up to long incomprehensible legal contracts and calls for an international standard or kitemark (认证标记) to identify sites that have clear terms平抛物体的运动规律可以概括为两点：（1）竖直方向做自由落体运动（2）水平方向做匀速运动．为了研究平抛物体的运动，可做下面的实验：如图所示，用小锤打击弹性金属片，A球就水平飞出，同时B球被松开，做自由落体运动，两球同时落到地面，这个实验（　　）A．只能说明上述规律中的第（1）条B．只能说明上述规律中的第（2）条C．不能说明上述规律中的任何一条D．能同时说明上述两条规律