C. It is not desirable for the judges to pass such comments on other constitutional/ statutory bodies in their absence.
Feedback The passage states that the behaviour of the judges such as commenting on other constitutional/ statutory bodies or persons should be brought under judicial standards. This indicates that there are certain standards already existing. Hence, (A) can be inferred from the passage.The first sentence in the passage states that the number of instances is increasing. This statement does not mention whether it is a good sign or not. The latter statement wants this behaviour to be brought under judicial statements. From this it is clear that the assumption involved is that such behaviour is not desirable. Hence, (C) is the assumption implicit in the passage.
The passage is referring to passing particular kind of comments but it is not against every kind of comment. Hence, (D) cannot be concluded.
Choice (C) is the assumption.