The correct option is D a c d b
A sentence is made up the basic parts: subject (doer of the action) +
verb (describing the action) + object (receiver of the action).
The object may or may not be a part of a sentence. Also, there are various elements that modify these parts.
The correct form of the given sentence is:
Today (adverb) / man is (subject + verb)/ playing with (verb + preposition)/ nature (object).
a c d b
'Today man is playing with nature' is a sentence that means:
Our environment is being harmed by humans every
single day. We thus possess a great threat to our own environment.
Hence, the correct option is A. a c d b
Options B, C and D are incorrect because they do not create sentences that follow the required structure.