Although, Neither, nor, and, but, so, for example, consequently, additionally, again, also, as well (as), furthermore, equally, besides, therefore, then, moreover, of course, first, second, third, finally, last, afterward, nonetheless, nevertheless, and whereas
Hope this helps! (I can give more ideas in the comments)
While none of these sentences is particularly horrible, I would say that B is the best example of faulty coordination--if you note that the verbs switch from past to present tense within the same sentence, it draws attention in a very awkward way. Each clause could be it's own fully developed sentence, with more detail. The remaining sentences work well as stand alone sentences, and are congruent in structure and content.