C is the answer, I'm a million percent sure :)
Surprised that his father became healthy.
The correct options are A and D. Public and Speech are the context clause. A context clause is a hint that is given by the author to understand the difficult word.
<h3>
What is a context clause?</h3>
Context clauses are clauses that are used to express similar, opposite, and word-structure clues-words.
Thus, the word public and speech are the context clause that has similarities or synonyms.
Learn more about the context clause here:
brainly.com/question/26410665
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