Final answer:
The imperative form in French uses the present tense forms for 'tu', 'nous', and 'vous', without the pronoun, hence the correct answer is 'd) all of the above'.
Step-by-step explanation:
The imperative form is simply the present form of the verb without the pronoun following it. The correct answer to this question is d) all of the above. When giving commands or instructions in French, the pronoun is usually omitted. This means that the imperative form can be constructed using the present tense forms for tu, nous, and vous, but without including these pronouns in the command.
For example, the command form of 'finir' (to finish) in the imperative mood would be 'Finis!' for tu, 'Finissons!' for nous, and 'Finissez!' for vous, respectively. These forms are used to tell someone directly to finish something, without stating the pronoun 'you'.