It's high time we address (A)/ the environmental issues affecting (B)/our community and took meaningful (C)/ steps towards sustainability (D).

Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The corresponding letter of that part is the answer. If the given sentence is correct as it is, then choose option ‘No error’ as the answer response. (Ignore errors of punctuation, if any).

`. Let's assemble the output: ```xml A

The correct answer is A.

Explanation:
In English grammar, the phrase "It is high time" (or "It's high time") followed by a subject (in this case, "we") is used to express that something should already have been done. When using this structure, the verb following the subject must be in the simple past tense (subjunctive mood) to indicate hypothetical or unreal present/future action.

Let's examine the parts of the sentence:

• Part (A): "It's high time we address" — Here, the verb "address" is in the present tense, which is grammatically incorrect after "It's high time we...". It should be changed to the past form "addressed".
• Part (C): Notice that part (C) correctly uses the simple past form "took" ("and took meaningful steps..."). Changing "address" to "addressed" also ensures parallelism between the two verbs connected by "and" ("addressed... and took").

Correct Sentence:
"It's high time we addressed the environmental issues affecting our community and took meaningful steps towards sustainability."