Options:
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Earlier discussion
2 older comments kept for context.
Favour Onwuchekwa
The options were not properly arranged. So arranging it in the right order, the correct option would be option [D]- "Had plucked"
Oluwaseun Adeyemi
I would have been surprised if you had plucked the orange.
Have is used in the present tense when the subject is a plural noun or the pronouns I / you / they / we. Has is used in the present tense when the subject is a singular noun or pronoun. Had is used in the past tense with subjects of all numbers and persons. Have got means the same as have in most cases.