In the figure of previous problem, `D` and `E` respectively represent
A. Absorption line of Balmer series and the ionization potential of hydrogen
B. Absorption line of Balmer series and the wavelength lesser than lowest of the Lyman series
C. Spectral line of Balmer series and the maximum wavelength of Lyman seri
D. Spectral line of Lyman series and the absorption of greater wavelength of limiting value of Paschen series
