It's once again time for everyone's favorite game, "why is this wrong on my test?"
This time, it's a "name that time signature" question that got marked wrong.
In short, the only other answer that I would consider is 3/2, but it could technically be either right? The first measure obviously is divided into 1+2+3, but the second measure looks distinctively 6/x ish, at least with the greater classical style as a pretext. To me, there's nothing to suggest one answer over the other.
If it is in fact 3/2, how can I distinguish them in the future? I see that there's already a similar question about 3/4 vs. 6/4, but to me this is different because of this specific instance where the second measure looks to my eye to be two beats divided into three. At the very least, there's no clear way to distinguish them, is there?
If there is, how can I tell?