Choose the option that would make the sentence grammatically most correct.
The house as well as the garden were to be treated for a termite infestation.

A

No change, the sentence is correct as is.

B

The house as well as the garden is to be treated for a termite infestation.

C

The house as well as the garden are going to be treated for a termite infestation.

D

The house as well as the garden need to be treated for a termite infestation.