Read the following excerpt from a sonnet by William Shakespeare:
Where art thou Muse that thou forget'st so long,
To speak of that which gives thee all thy might?
Spend'st thou thy fury on some worthless song,
Darkening thy power to lend base subjects light?
- "Sonnet 100," William Shakespeare
What is the rhyme scheme of this passage?
O A. abcd
OB. abca
O C. abab
O D. abba