When using timechart, how many fields can be listed after a by clause?

When using timechart, how many fields can be listed after a by clause?
A . because timechart doesn’t support using a by clause.
B . because _time is already implied as the x-axis.
C . because one field would represent the x-axis and the other would represent the y-axis.
D . There is no limit specific to timechart.

View Answer

Answer: B