In which of the following arrangements the order is NOT according to the property indicated against it ?
A. `Ai^(3+) lt Mg^(2+) lt Na^(+) lt F^(-)` increasing ionic size
B. `B lt C lt N lt O lt P`-increasing first ionisation enthalpy
C. `I lt Bt lt F lt CI`increasing electron gain enthalpy (with negative sign)
D. `Li lt Na lt K lt Rb`-increasing metallic radius
