Which of these is the incorrect explanation of Traceview?

A.
In order to create a Tracefile, you must write methods specifying the starting and ending
positions of the part to be profiled.

B.
Since Tracefiles are saved on SD cards, the developer must specify a file name.

C.
Traceview is one of the tools of the SDK, and can be used from the command line or DDMS.

D.
Since Traceview cannot use tracefiles as is, a development machine with adb must be used.

Explanation: