问题
选择题
Nowadays，more Chinese provinces________education reforms that will allow children of migrant workers to sit college entrance exams locally.
A．have announced
B．are announcing
C．announced
D．will announce
答案
答案：A
A 考查时态。句意：如今，中国很多省市已经公布教育改革方案，允许外来务工人员子女在当地参加高考。由时间状语nowadays及句意可判断，此处用现在完成时表示对现在造成的影响。