
Passage: There are 7 heart disease patients E, F, G, H, I, J, K to be assigned to 4 doctors for treatment, they are Dr. Zhang, Dr. Li, Dr. Wang and Dr. Liu. Only one doctor can be responsible for each patient, and each doctor is responsible for the treatment of up to two patients. Among the patients, J and K are children, and the remaining 5 are adults; E, F, and J are male, and the remaining 4 are female. The following conditions must be met: (1) Dr. Zhang is only responsible for treating male patients. (2) Dr. Li can only be responsible for the treatment of 1 patient. (3) If a doctor is responsible for the treatment of a child, he must be responsible for the treatment of an adult of the same sex as the child.
Question: Based on the above conditions, which of the followings must be true?
A. A.F was treated by Dr. Li.
B. B.J is treated by Dr. Zhang.
C. C.C is treated by Dr. Liu.
D. D.H was treated by Dr. Wang.
Answer: