孙中山答日本人：“我辈之三民主义首渊源于孟子，更基于程伊川之说。孟子实为我等民主主义之鼻祖。”孙中山这么说主要是因为孟子主张

A．人性本善

B．舍生取义

C．君轻民贵

D．得道者多助

Speaker A: Excuse me, do you need a hand Speaker B: ______

A．Oh, yes, please. I haven't used one like this before.

B．No, thank you. I don't need another hand.

C．Sorry, do you know how to do this exercise

D．of course. I need a hand.