The title with the √ before it is considered to be the better one. Decide whether the following choice is the correct one. √ A. An Observation of Quantum Shock Waves Created with Ultra-Compressed Slow Light Pulses in aBose-Einstein Condensate B. Creating Quantum Shock Waves with Ultra-Compressed Slow Light Pulses in a Bose-EinsteinCondensate
A.正确
B.错误
正确答案:错误