The increasing order of stability of the following free radicals is :
A. `(CH_(3))_(2)overset(.)CHlt(CH_(3))_(3)overset(.)Clt(C_(6)H_(5))_(2)overset(.)CHlt(C_(6)H_(5))_(3)overset(.)C`
B. `(C_(6)H_(5))_(3)overset(.)Clt(C_(6)H_(5))_(2)overset(.)CHlt(CH_(3))_(3)overset(.)Clt(CH_(3))_(2)overset(.)CH`
C. `(C_(6)H_(5))_(2)overset(.)CHlt(C_(6)H_(5))_(3)overset(.)Clt(CH_(3))_(3)overset(.)Clt(CH_(3))_(2)overset(.)CH`
D. `(CH_(3))_(2)overset(.)CHlt(CH_(3))_(3)overset(.)Clt(C_(6)H_(5))_(3)overset(.)Clt(C_(6)H_(5))_(2)overset(.)CH`