Correct option is C
The correct option to fill in the blank is (c) communication.
Explanation:
The context is about a talk (lecture or presentation) focused on enhancing a skill in English. Among the given options, “communication skills” is the most relevant and appropriate collocation.
Word Meaning:
Communication: the ability to express ideas and information effectively (संचार)
Correct sentence:
My talk will be on improving the communication skills of students in English.
Example:
Effective communication skills are essential for career success.
Meanings of Other
· (a) Substitution: replacing one thing with another (प्रतिस्थापन)
· (b) College: an educational institution (महाविद्यालय)
· (d) School: a place of education (विद्यालय)
Only option (c) refers to a skill that fits logically in this context.