Critical Reasoning (CR) | Re: Now problems require new solutions. And new problems arise

Think about it in this way:

A) - A restatement of the premise. The questions (premise) already mentions that the old institutions do things slowly (hence, not so efficient). For GMAT question solving purpose, an assumption can't be a premise at the same time.

B) - The 2nd sentence of the question states very clearly that new institutions are needed to solve new problems.

C) - This one is tricky. I eliminated it in the first place then I was pretty sure the others are absolutely wrong. So
...

---