Study the given letter, symbol series and answer the question that follows.
# 91@4*7^53#91<54@3S#2*6!42&9<36#2%2@7
If all even numbers in the given series are replaced with a number which is prime and even, how many numbers are there in the resultant series which are immediately preceded by a prime number and immediately followed by a symbol?
A4
B5
C2
D3