Which of the following is the correct order of stability of free radicals ?
A. benzyl `gt` allyl `gt 2^(underset(-)o) gt 1^(underset(-)o)`
B. allyl `gt` benzyl `gt 2^(underset(-)o) gt 1^(underset(-)o)`
C. allyl `gt 2^(underset(-)o) gt 1^(underset(-)o)` benzyl
D. benzyl `gt 2^(underset(-)o) gt 1^(underset(-)o)` allyl