The best way to punctuate the bolded portion of the sentence would be
<span>“We have a problem;” which is the 4th option.
</span>
This would make the complete sentence read as the following:
<span>Jill remarked, “We have a problem;" she went on to give details.</span>
I would say D. Because people still wonder about the afterlife even today, because all of the other options are kind of opinionated. This answer is a claim that has real truth to it, unlike the others, which are pretty subjective.
A multicelled organism is a organism with more than one cell. Animals, plants, and most fungi are multicelled organisms.