11. 某資料記載:「『The Holy See』is the bishopric of theRoman bishop. Pope Stephen met Pepin the Short at Quierzy-sur-Oise. Pepin officially conferred upon thepope the territories belonging to Ravenna, even cities such as Forli with their hinterlands, laying the deedsand keys to the cities upon the tomb of Saint Peter, according to traditional later accounts. The gift includedLombard conquests in the Romagna and in the Duchy of Spoleto and Benevento, and the Pentapolis in theMarche. Narni and Ceccano which were a part of the gift were former papal territories however the rest wereall former Byzantine territories.」請問關於上述資料所載，何者符合史實?
(A)君士坦丁時為保護基督徒所特別安置的地區
(B)聖彼得持有天國的鑰匙，因此繼承聖彼得的羅馬主教，地位最高
(C)日耳曼人入侵時，為保護人民形成保護所，後期成為教廷所在地
(D)羅馬教宗獲得義大利中部的土地，是教宗國建立的基礎。