Which of the following reflexive pronouns（反身代词)is used as an object？A．I spoke to the p

Which of the following reflexive pronouns(反身代词)is used as an object？

A．I spoke to the president himself.

B．You must pull yourself together.

C．Linda herself will play the violin.

D．Frank is not quite himself today.

请帮忙给出正确答案和分析，谢谢！