Write a note of about 50 — 60 words based on the following situation :
William Johnson, a professor from Massachusetts Institute of Technology, is paying a visit to your university. As engaged, he is going to give a lecture. You are the Secretary of the Administration office. Write a note, telling him the arrangements and asking him to let you know if he has any other questions.
Marks will be awarded for content, organization, grammar and appropriateness.

A．Businesses, having made a lot of profits, should do something for society in return.
B．Old people are entitled to special treatment for the contribution they made to society.
C．The elderly, being financially underprivileged, need humane help from society.
D．Senior citizen discounts can make up for the inadequacy of the Social Security system.

A．trial courts and circuit courts
B．trial courts and the Supreme Court of the states
C．district courts, the Supreme Court of the states and sometimes circuit courts
D．district courts, circuit courts and the Supreme Court of the states