Answer:
B. spread out the research work over a period of time to keep the research load manageable.
Step-by-step explanation:
A research schedule consists of the elaboration of a set of steps with their respective dates of execution that allow to reach the objective of the research and that allows to reach, satisfactorily, a conclusion on the subject that you are researching. So when starting a search schedule, you need to spread the research work over a period of time, so you will not get tired and overwhelmed and will be able to keep the search load manageable during this time.