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) Jayesh loved his Guru immensely B) and gave him fullest loyalty, C) yet he had his own D) independent way of thinking.

Introduction / Context:
This item tests article usage with superlatives and collocation. Superlative adjectives normally take the definite article the when used attributively before a noun phrase such as fullest loyalty.

Given Data / Assumptions:

• Phrase in focus: fullest loyalty
• Superlative form: fullest
• Syntactic slot: adjective before a noun

Concept / Approach:
In noun phrases, superlatives like best, greatest, or fullest generally require the before the adjective: the fullest loyalty. Without the, the phrase sounds incomplete or nonstandard in formal English.

Step-by-Step Solution:

Verification / Alternative check:
Comparable examples: She paid the utmost respect; He showed the greatest courage. These confirm that a definite article is standard with superlatives used attributively.

Why Other Options Are Wrong:

• A) Grammatical and idiomatic as a main clause.
• C) The contrastive linker yet and pronoun reference are correct.
• D) Noun phrase independent way of thinking is idiomatic.

Common Pitfalls:
Learners sometimes omit the before superlatives or insert of following fullest incorrectly. Keep the simple structure the fullest loyalty for formal usage.

Final Answer:
Option B contains the error. Insert the before fullest.