Explanation: First of all direct objects never refer to humans, the Apple is what the sentence is about, a question to ask to help you with this would be, what is the action that is being performed in the sentence, here it is that Javier is giving the , and the apple is the main idea of this sentence.
Explanation: A direct object answers the question of who(m) or what Which Would make sister the correct answer because it shows he’s giving an apple To someone ( his sister) Another way to think of this is Javier gave his sister what? A apple. Who received it? His sister
