what is the meaning of these lines from sonnet VII? "perhaps my semblance might deceive the truth, that I to manhood am arrived so near, and inward ripeness doth much less appear..."

a) i do not mean to lie to u but i am almost a man

b) i have a great talent that you have not seen

c) it is impossible to deceive you by claiming i am Older than I look

d) I may appear to be a man but I am not yet mentally mature