Predicative adjectives are placed after the noun, but not
immediately after it; it follows a linking verb that is placed after
that noun, for example, 'I love red', where 'red' is the adjective that
is used predicatively and is placed after the linking verb, 'love'.
In the given sentence, the adjective "afraid" modifies the noun "Daniel", it follows the linking verb "is", thereby being predicative in nature.
Hence the given statement is true, and option A is correct, B is incorrect.