This is a compound sentence, because there are two independent clauses here: 1. Stone bridges are strong + but 2. (strong bridges) are costly to build.
The conjunction 'but' connects two independent clauses, and a compound sentence contains at least two independent clauses, whereas a simple sentence has only one.
Answer:
c
Explanation:
because you can use central conflict author's statement and you can think about what the story helped you understand
Answer:
"But what about the bee?" said Joe, " l could be stung."