> 中国大学MOOC答案 > 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 a Bose-Einstein Condensate B. Creating Quantum Shock Waves with Ultra-Compressed Slow Light Pulses in a Bose-Einstein Condensate