Hi! The sentence you gave is a complex sentence. For a sentence to be compound, it should contain multiple subjects or predicate. On the other hand, for it to be complex, a subordinate clause must be present.
We can notice that the clause "that were built under the city" is a clause that cannot stand alone thus this will tell us that the sentence is complex.
ANSWER: D. Complex
A good education is the trunk for a good life
Answer: Story maps help students to organize the elements of the story in a visual manner that assists in gaining that fuller comprehension and they can then record this information on their copy of the story map.
Explanation:
I hope this helps
