I regret to have not paid more attention to our English lessons at school.

A．not paying

B．not having paid

C．have not paid

D．not to have paid

L/C规定出具全程可转运B/L时，一程船和二程船公司责任划分依据是（）。

A．全程B/L

B．一程B/L

C．二程B/L

D．MEMO－B/L