Asystems flowchart:
select one:
a. must always contain on-page connectors.
b. includes physical as well as electronic flows.
c. requires more than one entity.
d. must always have a data store if there are paper documents involved.
e. must be balanced.

(D)  Must always have a data store if there are paper documents involved.

Explanation:

 A system flowchart is basically responsible for displaying the data in the system and also control the flow of data. The system flowchart are basically use various graphic symbol for representing the systematic manner for processing the output.

It basically contain data store in the system if there is data documents present in the system so that it make easy to store the data in the system.

There are basically four symbols that is use to represent in the program flowchart is that are: Firstly start, processing, decision making and then end.