Answer:
No, I don't think they should. When you play sports you let out air from your mouth and touch your face to wipe off sweat, it's not a good idea play sports when the virus is still active. If we do play sports while the pademic is active then lots of our adoring sport players weadmire will die from the virus and we don't want that to happen.
(Hope this helps) Sky
In the sentence given, it is a gerund and not an infinitive phrase. The complete gerund phrase in the sentence is "jumping rope". The gerund is the word "jumping". A gerund is a word that takes the -ing form of the verb, but functions as a noun. This gerund phrase is used as the subject of the sentence.
Colons are used after complete sentences, and what comes after the colon should give more information on what came before it. Knowing this information, A can be ruled as the correct answer.