33.
Your Answer is
Correct Answer is B
Explanation
in collaboration with Athenian architect Michael Photiadis is the adverbial of the sentence, among them, Michael Photiadis is the apposition of Athenian architect (no article), there is no symbol between them, and the A/C item is wrong as the adverbial of the sentence, among which, Michael Photiadis is an apposition of Athenian architect (no article), there is no sign between them, and item A/C is wrong. The subject of the sentence is Swiss-born architect (no article), Bernard Tsehumi is the apposition of the subject, and there is no sign between them.