The word "deterior" comes from latin and means "worse", so deteriorate means "get worse" - the correct answer is b!
it could also be C if the weather is already bad (it's more intensively bad): but c can also mean that it's better if they're good: so b is the correct answer.
The sentence is basically saying that even though they knew they were late for the appointment they still decided to stop and have a picnic
They believe that capitalism will promote social inequality. Capitalism will create a great gap between the workers and the business owners. Capitalism allows people to gain more and at the same time, it creates a division basing on the economic status of the people in the society.
A draft? i think is what ypur looking for?