A.
The main office
B.
The library
C.
Teachers' mailboxes
D.
Online portal
正确答案:A
译文
Read an email.
To : All students
From: Mark Smith
Date: May 31
Subject: Course Selection Form Submission Notice
Dear students,
The deadline for submitting your course selection forms has been extended to Friday, March 15th. This gives you three extra days to discuss options with your teachers or parents. Please submit your completed forms to the main office before 4 PM on the new deadline day. Late submissions cannot be accepted.
Warm regards,
Mark Smith