Erm...im having a hard time what should i do about it?

Which group or words is not a phrase? a.) leaving behind the dog b.) because she smiled at me c.) smashing into a fence d.) before the first test e.) pushing the sofa

Can someone me answer this english question

The adventures of tom sawyer, chapter 1 (excert)what does tom do to prevent aunt polly from finding out that he ate her jam? a) tom hides under the bed and then in the closet b) tom hide under the bed and tries to blame the cat c) tom hides in the closet so that aunt polly would not see him d) tom tried to wash the jam off and lied to aunt polly about the cat