1. Why does the author compare friendship to "a supporting hand in the mud" and "an arrow guiding at the crossroads"?
Because it is in the most difficult times that people can see the most sincere friendship and friends who truly care about you. A true friend will lend a helping hand when you are stuck in the mud, and will give you the right choice and guide you in the right direction when you are hesitant and lost. Therefore, friendship is compared to "a supporting hand in the mud" and "an arrow guiding at the crossroads."
2. Why does the author compare friendship to "warm words in times of frustration" and "affirmative answers in times of confusion"?
Because when you encounter difficulties and confusion, those who give you confidence and help you are the friends who truly care about you, and this is the most precious friendship.
3. What do you think true friendship is like? Please write it like this.
True friendship is the beacon in the distance when you are lost. True friendship is the giant umbrella that holds you open in the wind and rain.
For reference only, I hope it will be helpful to you!