Choose the most suitable option to replace the highlighted part of the sentence:

She demanded me to swallow the medication.

The correct answer is: demanded that I swallow the medication.

Step-by-Step Explanation:

1. Understanding the Verb "Demand":
The verb "demand" does not take an object followed by an infinitive (e.g., "demanded me to swallow" is grammatically incorrect in standard English). Instead, when "demand" expresses a order or strong requirement for someone else to perform an action, it follows the subjunctive structure using a that-clause.

2. Subjunctive Mood Structure:
The correct structure is: demand + that + subject + base verb.
In this sentence:
- Subject: I (nominative case, instead of the object pronoun me)
- Base form of verb: swallow
Therefore, "demanded me to swallow" should be replaced by "demanded that I swallow the medication".

3. Analyzing the Options:
- demanded that I swallow the medication: Correct. Follows the proper subjunctive structure with the subject pronoun "I" and base verb "swallow".
- me swallowing the medication: Incorrect grammatical structure following the verb "demanded".
- that me swallow the medication: Incorrect because it uses the object pronoun "me" instead of the subject pronoun "I".
- to swallow the medication by me: Unnatural and grammatically incorrect phrasing.