27. Tom was deeply disappointed with the actress’s performance, so he soon switched to another channel. Which of the following is the correct transformation of the original sentence?
选项：

A:Deeply disappointed with the actress's performance, so Tom soon switched to another channel.
B:Because disappointed with the actress's performance, Tom soon switched to another channel.
C:Deeply disappointed with the actress's performance, Tom soon switched to another channel.
D:Tom disappointed with the actress's performance, so he soon switched to another channel.