C. Watching the men carefully to prevent another mishap
If you want to use consistent verb tenses in telling a story, that means you have to use the same tense, or at least they all should be in the past/present/future, depending on the first verb in the sentence. Here, the correct answer is:
B) I met Rob for the first time in the school infirmary, and he smiled at me even though he was clearly in pain.
Wikipedia is a website in which people can collaborate on providing information of certain topics. Anyone can edit the information, and others can peer review it. Thinkcycle is a platform that allows engineers, designers, etc. to collaborate on design projects. These sites allow people to cooperate with one another to create an informed report and to create elaborate projects. Overall, both websites are able to bring together people to cooperate to create the best report/project that they can.
I hope this is what you're asking for.
