Ann is the subject of the sentence
has taught is the verb phrase
students is the direct object
junior high are adjectives that modify the direct object students
for several years is a prepositional phrase that modifies the verb taught
I think it would be the answer a
Heya here’s your answer
1) He told me that he could help me
2) They said they would join us for lunch
3) I told you that I was going to be late
4) The article said that the accident happened the day before
5) Our teacher had told us that she had lost our homework