Which of These Is the Incorrect Explanation of the Android

Multiple Choice

Which of these is the incorrect explanation of the Android SDK and AVD Manager?

A) They are provided from version 1.6 of the SDK. Up to Version 1.5, there was an AVD Manager but it lacked SDK management functions.
B) You can create and startup AVD, and on startup you can delete user data up to that point.
C) The "android" command can be used if "<SDK install folder>/tools" is added to the command path.
D) The development tools that can be downloaded from Android SDK and AVD Manager are SDK Android platform, NDK-platform, emulator images, and USB drivers for handsets.