Recognise the erroneous part in the given sentence and choose the most appropriate answer from the options given to ensure a meaningful sentence.

Q:

As she kept walking to me, my heart skipped a beat.

• 1
  As she kept walking within me, my heart skipped a beat.
• 2
  As she kept walking from me, my heart skipped a beat
• 3
  As she kept into me, my heart skipped a beat.
• 4
  As she kept walking towards me, my heart skipped a beat.