Select the most appropriate option to fill in the blank.
She reminds me always that I ________ to be a little more careful.

Correct option is B

The correct option to fill in the blank is (b) have.
· In the sentence, "She reminds me always that I ________ to be a little more careful," the correct verb to use is "have" in the context of a reminder about a continuing action or state.
· The phrase "have to be" is used to express a requirement or necessity that is ongoing.
· It indicates that the speaker is continually reminded to maintain a state of carefulness.
· The other options do not correctly fit this context of an ongoing requirement.