Which of the italicized parts functions as an appositive？A．A skilful hand at improving too

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.

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