While it is true that the most famous varieties and recipes of cooking pasta really do come from Italy, (29) __________ the actual origin of pasta lies elsewhere!
1
The sentence requires a word that modifies the entire clause 'the actual origin of pasta lies elsewhere!' and introduces it as a contrasting or unexpected fact.
2
Let's analyze the grammatical function of each option: 'surprise' is a noun; 'surprised' is an adjective (describing a feeling) or past participle; 'surprising' is an adjective (describing something that causes surprise) or present…