When Claude Mandil said that "...the problem will not be solved overnight." (line 60...

✂️ a) such problematic situation will never be resolved.

✂️ b) there is no easy or quick solution for the problem.

✂️ c) this difficult state of affairs emerged quite suddenly.

✂️ d) the solution for this puzzle will be rather unexpected.

✂️ e) it may be sometime before the problem becomes critical.

Responda: When Claude Mandil said that "...the problem will not be solved overnight." (line 60) he meant that: