Explanation:

To determine the correct order, we need to identify the correct sequence of the given words. Let's analyze the given words and their usage:

1. seen: This word indicates that something has been observed or witnessed in the past. It is generally used to refer to the act of looking at something or someone.

2. going: This word refers to the present participle form of the verb "go". It indicates the action of moving or traveling from one place to another.

3. you: This word is a pronoun used to refer to the person or people being spoken to. It is the second person singular or plural form.

4. him: This word is a pronoun used to refer to a male person or object that has already been mentioned or is known.

5. have: This word is a verb that indicates possession or ownership. It is also used to form the perfect tense when combined with a past participle.

Correct Sequence:

Based on the given words and their usage, the correct sequence would be:
3. you - The pronoun "you" is commonly used in sentences and is typically followed by a verb or object.
5. have - The verb "have" can be used to indicate possession or form the perfect tense when combined with a past participle.
2. going - The present participle form of the verb "go" can be used after the verb "have" to indicate an ongoing action.
1. seen - The past participle form of the verb "see" can be used after the verb "have" to indicate a completed action.
4. him - The pronoun "him" is commonly used to refer to a male person or object.

Therefore, the correct sequence is 3-5-1-4-2, which corresponds to option B: 35142.