Step 1: Understanding the Concept:
A conjunction is a word that joins words, phrases or clauses. Common conjunctions are 'and', 'but', 'or', 'because' and 'although'.
Step 2: Key Approach:
Look at the sentence and find the word that links two parts of it.
Step 3: Detailed Explanation:
The sentence is 'Sheela and I went to the market.'
Two people, 'Sheela' and 'I', did the action together.
The word 'and' joins these two subjects. So 'and' is the conjunction.
Step 4: Why the other options are wrong.
'to' is a preposition. It shows direction towards 'the market'.
'the' is a definite article. It points to a particular noun.
'I' is a pronoun. It stands in place of the speaker's name.
Final Answer:
The conjunction is 'and'. This is option (C).