Physical Education isn't provided for all high school students. Physical Education might improve academic performances. It also helps students learn skills to help them become healthy adults.
To help you search more efficiently for information !
I think it is C: them indirect object.
The subject is Elizabeth
the verb (transitive verb) is showed
Them would be an indirect object because it appears in the middle of the verb and the direct object, which in this case is book.
Hopefully this helps and good luck!!
D we are traveling across the country to visit relatives in Arazona