The correctly matched pairs are: C-D and A-F.
C-D: Phrase C talks about the citation, and D completes it by stating that the mule displayed tremendous physical robustness in extreme weather conditions.
The sentence formed is: The citation further stated that despite all odds of heavy rains and slippery track conditions, the mule displayed tremendous physical robustness.
A-F: Phrase A talks about the order, and F completes it by stating that the order was meant to hinder the works of the Opposition parties.
The sentence formed is: The government passed an order in early January which threatened to throw a spanner in the works of the Opposition parties.
The phrases B and E don't have any suitable matches.
Hence, option (d) is the correct answer.