In the word construction, how does the suffix -ion change the meaning of the root
word?

The new gym is under construction.

A. It turns a noun into a verb.
B. It turns a verb into an adjective.
C. It turns a verb into a noun.
D. It turns an adjective into a verb.

C. It turns a verb into a noun

Explanation:

The word "construct" is a verb that means to build something. We know it is a verb because it is a word that describes an action.

Adding the ending -ion to the end of construct would turn the verb into the noun "construction", which refers to the occupation or industry of building. We know it is a noun because it is a word used to describe a thing.

op: object of preposition