怎样说课？

A. 协定金额转账协议
B. 预约周期转账协议
C. 定活通理财协议
D. T+0理财协议

A. 社会主义经济发展特有的手段
B. 社会化大生产基础上产品经济发展的需要
C. 资本主义经济发展特有的需要
D. 社会化大生产基础上商品经济发展的需要

A. The fishing vessel must keep clear of the vessel not under command
B. If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C. They must exchange whistle signals
D. Both vessels are required to take action to stay clear of each other