甲公司于2012年12月申请破产。法院受理后查明：在2012年9月，因甲公司无法清偿欠乙公司100万元的货款，而甲公司董事长汪某却有150万元的出资未缴纳，乙公司要求汪某承担偿还责任，汪某随后确实支付给乙公司100万元。下列表述正确的是（）
A. 就汪某对乙公司的支付行为，管理人不得主张撤销
B. 汪某目前尚未缴纳的出资额应为150万元
C. 管理人有义务要求汪某履行出资义务
D. 汪某就其未履行的出资义务，可主张诉讼时效抗辩
查看答案
Which two statements about forwarding equivalence class （FEC） are true？（）
A. FEC might correspond to a destination IP subnet， but it might also correspond to any traffic class that the edge LSR considers significant.
B. FEC is a group of IP packets that is forwarded over a different path， but with the same forwarding treatment.
C. FEC is a group of IP packets that is forwarded over the same path， and with the same forwarding treatment.
D. FEC is a group of IP packets that is forwarded over a different path， but with the different forwarding treatment.
E. FEC is a group of IP packets that is forwarded over the same path， but with a different forwarding treatment
目前，经常采用中间直径（）和（）平均直径ds来表示燃料的雾化颗粒细度。
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