Answer:
c. this house is as clean as a whistle
The proposition here is - in. <span>A </span>preposition<span> is a word such as after, in, to, on, and with. </span>Prepositions<span> are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence.</span>
The main reason why you would use the revising strategy called Use Snapshots is because snapshots are some of the easiest way to catch and contain lots of material, especially on a computer desktop.