The correct option is the second. They have abab,cdcd,efef and gg rhyme schemes.
Shakespeare's sonnets consist of three quatrains and a couplet unlike the Italian division of an octave and a sestet.
The meter is predominantly Iambic pentameter with each sonnet line consisting of ten syllables. The syllables are divided into five pairs known as iambs or iambic feet. An iamb is a metrical unit made up of one unstressed syllable followed by one stressed syllable.