2009年初，金融危机影响中国，但危机挡不住人们回家过年的脚步。下列制度与这种珍惜亲情、渴望团聚情形密切相关的是[ ]

A．分封制

B．禅让制 

C．礼乐制度

D．宗法制

Football is the most popular sport (21) the fall in the United States. The game originated as a(an) (22) sport more than seventy-five years ago. It is still played by almost every college and university in the country, and the football stadiums of some of the largest universities (23) as many as g0,000 people. The game is not the same (24) European football. There are eleven players in each team, and (25) in padded uniforms because the game is rough and injuries are likely to occur. The (26) of the game is to carry or throw from one per- son to another the ball across the opponent’s goal, or scoring line. He (27) has not attended a large college football game (28) missed one of the most colorful aspects of American college life. (29) the two halves of the game, the playing field if taken over by the bands (乐队) of the rival institutions, (30) take turns doing intricate marches and executing interesting formations. The student spectators are led in cheering for their team by trained, uniformed student cheerleaders, (31) are pretty girls. Outstanding high school football players (32) usually encouraged to come to a college and university (33) offers of scholarships and free room and board. Football is (34) popular and the urge to win is so keen, that many colleges actively (35) outstanding players for their student body. Attendance at football games is so large that it is not unheard of for a college or university to finance its entire athletic program from ticket sales.

29（）

A．During

B．As for

C．Between

D．At