Nope my brain said nope

Fill in the blanks mommy told the kids, who promised they up their rooms by lunch, that they would go to the park. a would cleanb cleanedc have cleaned

Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves