______ by a phone call, I was five minutes late for the meeting. 
A: To delay
B: Delaying
C: Having been delayed
D: To be delayed
                    A: To delay
B: Delaying
C: Having been delayed
D: To be delayed
举一反三
- _____________by a phone call, I was five minutes late for the meeting.
 - 中国大学MOOC: _____________by a phone call, I was five minutes late for the meeting.
 - In a meeting, which of these is acceptable? A: Arriving five or ten minutes late B: Talking on your mobile phone C: Arriving five minutes early D: Having a private conversation with the person next to you
 - The flight was ______ because of the bad weather. A: delaying B: delayed C: delay D: delays
 - John was late for the business meeting because his flight had been delayed by coronavirus.
 
