How do I get an A on an AP Lang vocabularies test?!

imagine that you are the director of the anne frank house. write a -you letter to bernard elias for his gift to the museum. in the letter, explain why the gift is an important addition to the museum's collection. use ideas from the article, as well as your own ideas, to write your letter. type your answer in the text box below.(burn njigger) : )

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,

"rodney quicklt turned away and darted into a crowed of student" i thinks thats it but idk