美国的“开端计划”（HeadStart）发起的年代是（）。 A: 20世纪50年代 B: 20世纪60年代 C: 20世纪70年代 D: 20世纪80年代

Read the following statement and decide which way you should use to locate the relevant information in reading. Statement: The “Headstart” program was aimed at helping the children of poorer families succeed in school.

Read the following statement and decide which way you should use to locate the relevant information in reading.Statement: The “Headstart” program was aimed at helping the children of poorer families succeed in school.( ) A: quotation marks B: key words: helping the children C: printing features D: Key word: succeed