Q:

“And you believe all this?” asked Sriram, in surprise.

• 1
  Sriram asked me in surprise if I believed all this.
• 2
  Sriram asked me in disbelief if I was believing all this.
• 3
  Surprised, Sriram asked me whether I believed all that.
• 4
  Sriram was amazed that I believed all that.