The rhetorical appeal that this sentence utilized is Pathos. Thus, the correct option is C.
The rhetorical appeal may be defined as the qualities of an assertion that construct it honestly influential to convince the readers by their emotions.
Pathos is a rhetorical appeal that mostly includes feelings, sorrow, or empathy towards the issue or individual that is being mentioned.
According to the given excerpt, the word "wholeheartedly" added a deep emotion to the message.
Therefore, it is well described above.
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