The pattern of whisker spots on the face of a male lion,
like human fingerprints, are a lifelong means of identification, since they are both unique and unchanging.This sentence contains following aspects
1.
Pattern of whisker spots is singular subject and needs a singular verb
is.
2.
human fingerprints defines the
pattern of spots not others.
(A)like human fingerprints,
are a lifelong means of identification, since
they are both unique and unchanging
Plural verb are and pronoun they are used in place of singular verb and pronoun.(B)like human fingerprints, is a lifelong means of identification, since it is both unique and unchanging
All errors are resolved and is correct.
(C)like human fingerprints, is a means of identification
for life,
being both unique and unchanging
means of identification for life defines the purpose wrongly and implies that
pattern of spots is a means of identification for lion's life .
being is also used wrongly as a modifier.
And both unique and unchanging wrongly modifies identification for life instead of pattern.(D)since
they are both unique and unchanging,
like human fingerprints,
are a means of identification for lifePlural verb are and pronoun they are used in place of singular verb and pronoun.
like human fingerprints and means of identification for life are misplaced modifiers.
for life error repeats from C.(E)
both unique and unchanging, are like human fingerprints, a lifelong means of identificationboth unique and unchanging wrongly modifies the pattern.
are like human fingerprints implies are as verb for singluar sibjectt pattern.
a lifelong means of identification defines fingerprints instead of pattern.