Error Spotting – Choose the part (A–D) that contains a grammatical error, or choose No error if the sentence is fully correct. Sentence (parts correspond to options below): A) Their only demand B) for additional wages were C) considered sympathetically D) by the progressive management.

Introduction / Context:
This item checks subject–verb agreement across intervening prepositional phrases. The head noun demand is singular; the prepositional phrase for additional wages does not change the subject number.

Given Data / Assumptions:

• Subject head: demand (singular)
• Intervening phrase: for additional wages
• Verb given: were (plural)

Concept / Approach:
Agreement must be with the head noun, not with a nearby plural noun inside a prepositional phrase. Therefore, the verb should be was, not were.

Step-by-Step Solution:

Verification / Alternative check:
Paraphrase: The only demand was considered sympathetically. This reads naturally and confirms singular agreement.

Why Other Options Are Wrong:

• A) Determiner phrase correctly identifies a single demand.
• C) Adverb sympathetically is correctly placed.
• D) Prepositional phrase by the progressive management correctly indicates the agent in passive voice.

Common Pitfalls:
Writers may be distracted by the plural noun wages and mistakenly choose a plural verb. Always align the verb with the true subject.

Final Answer:
Option B contains the error. Replace were with was.