If doubly ionized lithium atom is hydrogen like with atomic number 3, the wavelength of radiation required to excite the electron in $L{i}^{++}$ from the first to the third Bohr orbit and the number of different spectral lines observed in the emission spectrum of the above excited system are

• A

  296 Å, 6

• B

   114 Å, 3

• C

  1026 Å, 6

• D

  8208 Å, 3