Our friends were _______ busy ______ with each other _______the time.

A．so; talking; that they forgot

B．too; talking; to forget

C．too; to talk; to forget

D．so; to talk; that they forgot

以下陈述错误的是哪个（）。

A、如航道较窄或航道轴线与流向交角较大时，侧面标志可叫交错分布

B、侧面浮标走向尽可能与航道轴线平行

C、侧面标志尽可能沿航道轴线对成等距离布设

D、同侧等距离或非等距离侧面标志均可