tol, tor, toy, tars, tur, tong, tog, tom, ton Berilgan sozlardan necht

257. (v20/21-115-4) tol, tor, toy, tars, tur, tong, tog, tom, ton Berilgan sozlardan nechtasi tarkibidagi jarangsiz undosh(lar) ni jarangli jufti bilan almashtirib yangi soz hosil qilish mumkin? A) 7 B)10
C) 8
D) 9