根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Our story began in 1768 in Madrid, Spain. The king of Spain, Charles the Third, had recently received reports that worried him. The reports said Russian explorers were in the northern part of the territory (领土) called California.  __  But Spain had no settlements in California. King Charles knew if the Russians began to settle the area, Spain might lose control of California forever.
King Charles decided the best way to keep the Spanish claim (主权要求) to California was to build settlements there. So he decided to order the creation of a series of small farming communities along the Pacific Ocean coast of California.  ____
Spanish citizens might want to settle there. Therefore, the Spanish claim to California would be safe.
______ King Charles and his advisors decided that the farming settlements would begin with churches called missions. Missions were places where Roman Catholic religious leaders converted people to the Christian religion. _____
King Charles decided Roman Catholic priests would build the missions and settlements with the help of Native American Indians. The priests would teach the native people the Christian religion, the Spanish language and how to farm.
A religious group within the Catholic Church called the Franciscans would build the settlements._____ Serra was born in 1713 on the island of Mallorca, Spain. After he became a Franciscan priest, he taught at a university in Mallorca.

A．The settlements would provide trade and grow into larger cities.

B．Spain had claimed most of that area more than 200 years earlier.

C．But there was no one on the coast of California to begin the work.

D．King Charles decided to fight against Russia as quickly as possible.

E. Visiting the beautiful missions along California’s coast can learn history.
F. The Franciscans chose a young priest named Junipero Serra to begin the work.
G. They taught the religion to people who wanted to become members of the church.