If the dam ______ in time, the flooding downstream would have been far less destructive last spring.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
is reinforced
- B
was reinforced
- Ccheck_circle
had been reinforced
- D
would be reinforced
Explanation
Past hypothetical conditional: "If + had + past participle...would + have + past participle." "Had been reinforced" is correct.