Each of the following sentences has been divided into five parts (a), (b), (c), (d), and (e). One of these parts may contain a grammatical or usage error. Identify the part that contains the error. If the sentence is correct, choose Option (e) – No error. If modern cities invested more aggressively in green infrastructure (a) / they would significantly reduced (b) / the long-term environmental damage (c) / caused by rising urban temperatures (d). / No error (e)