题目内容：
根据以下内容，回答题。
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T0： |
Technical Support Team |
| From： | Sanchez，Hanna<hsanchez@espIcans．com> |
| Sent： | Wednesday，July 10 |
| Subject： | Business Technologies Seminar |
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This message is to finalize the organizational details for the technical support team for next Monday’s Business Technologies Seminar．Attached you will find the schedule with the names of technical assigned to the various confeFence rooms． Each session runs for two hours and made up of four 30一minute presentations．Presenters haye been asked to designate a timekeeper to ensure that they do not exceed their time limits．Note that there is a break between each session，which should allow you sufficient time to prepare for the next speaker． Your job is to set up microphones adjust lighting,and address any other needs of the speakers．Speakers will not be videotaped，but several have to be recorded，SO please be sure the recording equipment is in place and functioning properly．Als0，room l06 does not have a computer on—site。but the presentation in the third session will require one．Fortunately，this is not a big problem because neither of the laptop computers in rooms l04 and l08 will be in use at that time．The technician assigned to loom l06 for that session must remember to bring the laptop from one of those other rooms to room l06 and set it up． If you have any questions，feel free to contact me． Henna Sanehez |
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What is the purpose of the e-mail? A．To change a policy
B．To inquire about a problem
C．To give instructions
D．To correct an error
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