The embolden words are referring to the noun 'the meeting house' of Cambridge, Massachusettes. The other nouns in the sentence like 'Cambridge, Massachusettes, a thatched roof, city hall, church, and courthouse' are referring to the noun 'the meeting house' as they basically describe it that the meetinghouse had a thatched roof of clay and functioned as the city hall of the community as well as the church and the courthouse. Thus, <u>option C</u> is the correct answer.
