An NPN transistor has a beta cutoff frequency $$f_{\beta}$$, of 1MHz, and a common emitter short circuit low frequency current gain $$\beta_{o}$$, of 200. its unity gain frequency $$f_{\gamma}$$ and the alpha cut-off frequency f, respectively are

A

200 MHz,201 MHZ

B

200 MHz, 199 MHz

C

199 MHz, 200 MHz

D

201 MHz, 200 MHz