A transmission line with a characteristic impedance of 100 Ω is used to match a 50 Ω section to a 200 Ω section. If the matching is to be done both at 500 MHz and 1.2 GHz, the length of the transmission line can be approximately,

A

1.75 m

B

1.0 m

C

1.35 m

D

1.5 m