Assume StringBuilder strBuf is "ABCCEFC", after invoking _________, strBuf contains "ABTTEFT".
a. strBuf.replace('C', 'T')
b. strBuf.replace("C", "T")
c. strBuf.replace("CC", "TT")
d. strBuf.replace('C', "TT")
e. strBuf.replace(2, 7, "TTEFT")
e. strBuf.replace(2, 7, "TTEFT")
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Fill in the blank(s) with correct word
?
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