Correct option is A
The correct substitution of the highlighted words is
"bad" to make the sentence grammatically correct.
·
"As...as" is a
comparative structure used to compare two equal things, and it always takes the
positive degree of an adjective (not comparative or superlative).
·
"Worse" is a
comparative form of "bad," which is incorrect in this structure.
· The correct sentence should be:
· ✅
"Raman is as bad as Raju in solving mathematical problems."
Meanings of other options and why they are incorrect:
·
Best – Superlative form of "good" (not used in "as...as" structure).
·
Worst – Superlative form of "bad" (not needed here).
·
Worsen – Verb meaning "to make something worse" (incorrect usage).