[单选题]
The DNA sequence shown has been taken fr wu2rg c:u1r:mom exo0zi- wa 6i59v- qmtw 9jvztab-n 1 of DNA within the human insulin geazw i-vi9tb6 wvjtzmq0-59 a- ne. Which sequence corresponds to a deletion mutation in the sequence?
A. TACAAGGACAAGCTGCAT
B. TACAAGAGACAAGCTGCA
C. TACAAGGAAAGCTGCATC
D. TACAAGGACAAGCGGCAT