This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
In which of the following form of imaging, Harmonic Imaging is related - 
Select and explain. 
A. Sonography, B. Digital radiography, C. MRCP, D. Nuclear imaging
A: Sonography
Answer: A: Sonography 
Explanation: Harmonic imaging is a new imaging technique in USG