[QA] The Prime Minister failed to explain the cause of the economic crisis, he did not offer any solutions.

Question:

The Prime Minister failed to explain the cause of the economic crisis, he did not offer any solutions.

• A.
  Although the Prime Minister explained the cause of the economic crisis, he failed to offer any solutions.
• B.
  Not only did the Prime Minister explain the cause of the economic crisis, but he also offered solutions.
• C.
  The Prime Minister offered some solutions based on the explanation of the cause of the economic crisis.
• D.
  The Prime Minister didn’t explain the cause of the economic crisis, nor did he offer any solutions.