Correct option is D
An online teaching platform has reported to earn almost double through subscriptions ever since they started LIVE problem-solving classes on the platform.
Conclusions:
I. No other online teaching platform offers LIVE problem-solving classes - False
The statement does not provide any information about other online teaching platforms or their offerings.
II. Students who opt for LIVE problem-solving sessions on the said platform have to pay double the fees as compared to those who opt for regular classes. - False
There is no specific mention of fee structures or comparative pricing between LIVE sessions and regular sessions. The higher earnings can be due to a higher number of subscribers.