Respuesta :
D) If a student struggles with literary comprehension, he or she may require expert intervention
The sentence which is a complex sentence is D) If a student struggles with literary comprehension, he or she may require expert intervention
What is a Complex Sentence?
This is a type of sentence that contains one independent clause and at least one subordinate clause.
Hence, we can see that option D is a complex sentence because there is the use of a comma to separate both the independent and dependent clauses or it would have become a run-on error.
Read more about complex sentence here:
https://brainly.com/question/17538242