The increasing order of stability of the following free radicals is :

Question

( A ) $(C_6H_5)_2 \stackrel{\hbox{.}}{\hbox{CH}} <(C_6H_5)_3 \stackrel{\hbox{.}}{\hbox{C}} < (CH_3)_3 \stackrel{\hbox{.}}{\hbox{C}} <(CH_3)_2\stackrel{\hbox{.}}{\hbox{CH}} $ <br/> ( B ) $(C_6H_5)_3 \stackrel{\hbox{.}}{\hbox{C}} < (C_6H_5)_2 \stackrel{\hbox{.}}{\hbox{CH}} < (CH_3)_3 \stackrel{\hbox{.}}{\hbox{C}} <(CH_3)_2\stackrel{\hbox{.}}{\hbox{CH}} $ <br/> ( C ) $(CH_3)_2\stackrel{\hbox{.}}{\hbox{CH}} < (CH_3)_3 \stackrel{\hbox{.}}{\hbox{C}} < (C_6H_5)_3 \stackrel{\hbox{.}}{\hbox{C}} < (C_6H_5)_2 \stackrel{\hbox{.}}{\hbox{CH}}$
( D ) $(CH_3)_2\stackrel{\hbox{.}}{\hbox{CH}} < (CH_3)_3 \stackrel{\hbox{.}}{\hbox{C}} < (C_6H_5)_2 \stackrel{\hbox{.}}{\hbox{CH}} < (C_6H_5)_3 \stackrel{\hbox{.}}{\hbox{C}}$