Possible Clues:

• In a daze
• A was very struck by the noise it made about T
• Shocked because temperature leapt? Not at first
• Knocked for six
• Bewildered butcher not used in commercial
• Amazed by odd aunts round about the east
• Speechless when answer seemed to be about right at the end
• A Tax Officer in sudden revising caused amazement
• So daunted, misused and flabbergasted
• 'Dead? Not us!' -- becoming disturbed and alarmed