Answer: D. To suggest an alternative.
Explanation:
Conjunctions are the words that are used in linking other words, clauses or sentences together. Examples of conjunction include or, while, and, since, but, because, nor, yet, although, unless, etc.
"Or"used is used to to link alternatives. It is used for connecting choices or possibilities or choices. In this case, or is used in suggesting an alternative. Therefore, the correct option is D.
I believe the answer would be strike. i hope this helps!
<span>A. one of the boards from the floor
</span>