已知三点A（1，0），B（-1，0），C（1，2），求经过点A并且与直线BC垂直的直线ℓ的方程．

_______ of the football players playing for the club _______ born in _______.

A．Two-third; was; 1990s

B．Two-third; were; the 1990s

C．Two-thirds; was; 1990s

D．Two-thirds; were; the 1990s