Answer:
C. or E. One of the two. I could be wrong. Forgive me if I am.
Explanation:
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
Answer:
Are there options for this question?
Explanation: