Find the part of the given sentence that has an error in it. If there is no error, choose “No error”.
It is believed that difficult tasks demand lot of our resources.

Correct option is D

Option (d) contains an error.
Explanation: The phrase “demand lot” is incorrect because the indefinite article “a” is missing before “lot.” Correct form: “demand a lot of our resources.”
Grammatical rule used:
· The noun “lot” is a countable/uncountable expression that requires a determiner: “a lot,” “the lot,” etc.
Example: They spent a lot of money on the wedding.
Information Booster:
Phrases like “a lot of,” “plenty of,” “a number of” are quantifiers that need correct determiners.