It's B because he won't give up lifting the object untill he can do it.
This culture sounds like an early 1900's, mid 1800's culture. Back then, people respected the elders in their communities, oftentimes going over for a chat or a cup of tea. The saying "respect thy elders" comes from that era.
If you are talking about a certain culture, like an African, American, European, etc., it would probably be an Asian culture. Asian children are taught at an early age to respect and mind all elders, including their older siblings.
If you are talking about religion...every religion tells the kids to respect their elders!
The correct answer is B. Punches his air with his fists and makes growling sounds.
Explanation
In the sentence, the phrase "crazy things" is very broad and can be interpreted in many ways. For this reason, if you want to give a more precise sense of the complete meaning of the sentence, it would be appropriate to replace the phrase "crazy things" with something more specific. Therefore, the correct answer is B. Punches his air with his fists and makes growling sounds, because this option specifies the attitude that Alex takes when he is mad.