The correct answer is A. will take.
The future tense is used to talk about things that will happen in the future. In this case, the sentence is about something that will happen tomorrow. The simple future tense is formed by adding will to the base form of the verb.
The other options are incorrect because they are not in the future tense. Option B, will have taken, is in the future perfect tense. The future perfect tense is used to talk about things that will have happened by a certain time in the future. In this case, the sentence is not about something that will have happened by a certain time in the future. Option C, take, is in the present tense. The present tense is used to talk about things that happen regularly or repeatedly. In this case, the sentence is not about something that happens regularly or repeatedly. Option D, taking, is in the present progressive tense. The present progressive tense is used to talk about things that are happening now or that are happening over a period of time. In this case, the sentence is not about something that is happening now or that is happening over a period of time.