Answer:
Romeo's lines make up one quatrain, which uses an abab rhyme scheme.
Step-by-step explanation:
A quatrain, in poetry, is a stanza that is made of four lines. The term 'quatrain' is derived from the French word 'quatre' meaning 'four.'
The structure of the given excerpt is that the dialogues of both Romeo and Juliet makes a quatrain with a rhyme scheme of abab.
The rhyme scheme of the given lines are 'hand-stand'; 'this-kiss'; 'much-touch'; and 'this-kiss.' Thus it makes a rhyme scheme of abab.
And the dialogues consists of four lines which makes it a quatrain.
Thus the correct answer is the third option.