Answer:
The sentence from Holes that implies Stanley is thoughtful toward others is:What worried him the most was the thought of his parents not knowing what happened to him, not knowing whether he was dead or alive.
Explanation:
Ponder means "to think about (something) carefully," which is most similar to D. Reflect. Ponder basically means, "to reflect on" something.
Answer:
simple
Explanation:
consist of a single, independent clause