Correct option is B
The correct substitution of the highlighted words is No improvement required.
Explanation:
The given sentence is grammatically correct.
· The subject
"water" is singular, so the verb
"was" is correctly used.
· The conjunction
"and" joins two predicates,
"was cool" and
"had a metallic taste", which are both correctly formed.
Grammatical rule used:
·
Singular subjects take singular verbs (e.g., "water was," not "water were").
·
Parallel structure: The verb tense should remain consistent within a sentence.
Example:
· Incorrect: The water
were cool and
have a metallic taste.
· Correct: The water
was cool and
had a metallic taste.