What is the author’s attitude towards Baidu? ( )

(单选题)What is the purpose of the letter? ( ) (单选题)Which of the following does Not describe Door2Door? ( ) (单选题)What kind of business is being advertised? ( ) (单选题)What will happen to regular payments that fall on the 26th t (单选题)Which of the following services can be performed on the 25th (单选题)What is the purpose of the notice? ( ) (单选题)Who is the intended audience of this notice? ( ) (单选题)How long did it take for the account to be cleared? ( ) (单选题)According to the second letter, when should Jason contact Mr (单选题)Why did Mr. Brown write the letter? ( )