In the following code for the pop method for a linked queue implementation, what is the missing code?
def pop(self): oldItem = self.front.data self.front = self.front.next if self.front is None: self.rear = None return oldItem
A. self.rear -= 1
B. self.front = self.rear
C. self.size -= 1
D. self.size += 1
Answer: C
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