Answer:
C) Incidentally
Explanation:
Personally I don't like any of these answer choices. However, this one makes the most sense in this context. The others would need a much different set-up earlier on in the passage. "Incidentally" does not require such a set up, which is why it is the only one that fits.
<span>Loud claps of thunder shake the house.
</span><span> because tmost of the singular Nouns are changed to their plural number with the addition of ‘s’ or ‘es’, but the VERB WORD becomes singular with the addition of ‘s’ or ‘es’
</span>noun is claps its plural and shake is verb