Four (A, B, C and D) suspects were

Four (A, B, C and D) suspects were interrogated:
A said: C won't cheat unless B cheated.
B said: Either A or B cheated.
C said: B didn't cheat, I cheated.
D said: B cheated.
Only one person is lying, which of the following is correct:

ผลลัพธ์ (ชิเชวา) 1:

Zinayi (A, B, C ndi D) akuwakayikira anali mafunso:
A anati: C sadzakhala ananyengeza pokhapokha B kubera.
B anati: Kaya A kapena B kubera.
C anati: B sanali kuba, ine kubera.
D anati: B kubera.
yekha ligona, iti pa zimene zili zolondola: