Which of the Following Best Explains the Amount of Micrometeorite

Which of the following best explains the amount of micrometeorite impacts on Earth relative to the Moon?

A) The Moon and Earth are impacted with the same frequency.
B) The Moon and Earth are impacted with the same frequency, but because the moon is smaller, the impact density is greater.
C) Earth receives fewer impacts than the Moon because the majority of micrometeorites approaching Earth encounter the Moon first and thus impact it instead.
D) Earth receives fewer impacts than the Moon because the majority of micrometeorites approaching Earth burn up in the atmosphere.