【单选题】

In designing schematic diagrams, it may be necessary to compromise between detail that is necessary to make the diagram self-explanatory, and simplicity that is essential for ease of reading and understanding.

A、Schematic diagram designers may make a compromise so as to add more details to make the diagram self-explanatory and keep its simplicity at the same time for ease of reading and understanding.
B、In designing schematic diagrams, it may be necessary to pay attention to both detail that is necessary to make the diagram self-explanatory, and simplicity that is essential for ease of reading and understanding.
C、Detail makes the diagram self-explanatory. Simplicity makes it easy to read and understanD. It is necessary to consider both of them and make a compromise if needed when designing schematic diagrams.