In which of the following sentences dose a derivation always suffix make a root word into italicized

Many of the words we use come from a root word. Once you pull off any prefixes or suffixes, the root will be normally what remains. A little digging will uncover just what the root really means. For example, in a word such as scissors, the root is sciss, which means cut.

In which of the following sentences does a derivational suffix make a root word into an italicized verb?

A. Did you note the ape's contentment?

B. Glacial rocks form the riverbed.

D. She came closer to her goal than she knows.

Explanation:

Penn Foster.