The answer is how many,as an adverb typically describes how things are done in a certain manner,the place,time,etc;
I am not you, therefore I do not know your life nor your friends, however if you are struggling to think of something, think of the times you went to camp with them, or when u both studied/failed on a test together. Or during a birthday party. Or during your first sleepover. These are all great examples of memersble things you and your friend may have done together
Answer:
B) George Washington’s Cherry Tree
Explanation: