—Why are the two students standing at the gate of the teachers'office?

—They________to each other in class and________.[ ]

A. have whispered; are punishing

B. had whispered; were punished

C. whispered; are being punished

D. are whispering; were being punished

2010年12月6日，肩负着中国海洋 * * 护渔重要使命的中国最先进的渔政船中国渔政310船，圆满完成前往东海钓鱼岛的“处女航”，共完成了对钓鱼岛、黄尾屿、赤尾屿等8个无人岛礁的巡航，巡航面积达23380平方公里，覆盖了钓鱼岛及其附属岛屿的所有海域。这次巡航关系到（）

A.促进国际合作与发展的问题

B.维护国际和平与安全的问题

C.捍卫我国国家主权的问题

D.我国履行国际义务，树立大国形象的问题