问题详情

Which of the italicized parts functions as an appositive？

A．A skilful hand at improving tools, Mike helped to make a new type of cutter.

B．Being a poor teacher, she can"t afford to buy a car for herself.

C．Jane joined the line of people waiting for the train.

D．Fresh from the oven, rolls are very delicious.

请帮忙给出正确答案和分析，谢谢！