18) Why did David feel like crying (and yet held back his tears) at the end of the passage? A) David felt like crying, but didn't want to look weak in front of his son. B) David loved his son so much and felt guilty about not spending more time with him. David was so overcome by the beauty of nature that he could hardly keep from crying. D) David loved his son's mother so much and wished that they would get back together soon.​