Which term best describes the underlined words?

Having a budget is a good plan.

A.gerund phrase

B.infinitive phrase

C.participial phrase

Respuesta :

The correct answer to the question that is being presented above would be letter a. gerund phrase. The term that best describes the underlined words (I presume the underlined words are 'Having a budget') would be a gerund phrase. 
I think B. But let me check