The last slice of pizza had been eaten by her.
The last slice of pizza had been eaten by her.
The last slice was being eaten by her.
The last slice was being eaten by her.
She had eaten the last slice of pizza.
She had eaten the last slice of pizza.
The last slice of pizza was eaten by her.
The last slice of pizza was eaten by her.
Correct Answer:
The last slice of pizza was eaten by her.
The last slice of pizza was eaten by her.