∵ The expanded form is the way to write a number using the values of its digits
∵ The number is 32,905
→ It is a 5-digit number
∵ 3 is in the ten thousands place
∴ Its value is 30,000
∵ 2 is in the thousands place
∴ Its value is 2,000
∵ 9 is in the hundreds place
∴ Its value is 900
∵ 5 is in the units place
∴ Its value is 5
→ Add all of this value to get the expanded form
∴ The answer is C