Correct option is C
Explanation of the Correct Answer: · The sentence should begin with a subject: "Some experienced teachers say that..." (P).
· Next, a comparison should follow: "teaching about English is easy" (Q).
· Then comes the contrast: "teaching English is difficult" (R).
· Finally, the reason is provided: "as the latter needs dedication, resources, and many more" (S).
Thus, the correct order is PQRS (option c).