Final answer:
Tom brings Trevor into his schemes by advising Claire on using a thermometer and a flower-pot as a means of apology, showing Tom’s manipulative characteristics.
Step-by-step explanation:
One example of how Tom brought Trevor into one of his schemes is illustrated in the provided text where Tom is involved in a plot that plays out when he advises Claire on how to apologize to Trevor by using a thermometer and a flower-pot as a means of explanation. This subtle plan is designed to maintain Trevor's attention and interest. Cleverly, it gives an insight into the character dynamics and Tom's manipulative tendencies.