SI: Helen graduated in 1904 with special honours in English. S6 : Her dress was torn and roses were snatched from her hat. P : She was twenty-four years old. Q : She was invited to the St. Louis Exposition in 1904 to awaken worldwide interest in the education of the deaf-blind. R : But on Helen Keller Day the crowds got out of hand. S : Requests were already flowing in for appearances and for magazine articles. The proper sequence should be
- AQ P S R
- BS P R Q
- CP S Q R
- DS Q R P
Explanation
P (she was twenty-four) anchors the 1904 timeline of S1. S follows: requests were already flowing in for appearances and articles. Q is the specific invitation to the St. Louis Exposition in 1904. R describes Helen Keller Day, when the crowds got out of hand. S6 is the result: her dress torn and roses snatched from her hat. Hence PSQR, i.e. option C.