Which sentence contains a shift in voice?

Responses They went to the ceremony and were given an award. They went to the ceremony and were given an award. - no response given She picked the flowers and gave them to her friend. She picked the flowers and gave them to her friend. - no response given I threw the ball to my dog and he chased it. I threw the ball to my dog and he chased it. - no response given I enjoy eating donuts more than I should.

I enjoy eating donuts more than I should.

are you sure

I apologize for the error in my previous response. The sentence "She picked the flowers and gave them to her friend" contains a shift in voice. The first part of the sentence ("She picked the flowers") is in active voice, while the second part ("and gave them to her friend") is in passive voice.