(Choose 1 answer)
Which of the following is most preferred?
A. Allowing one module to affect the program flow of another via the use of a flag (control coupling)
B. Having more than one module rely on the same version of the RSS standard (external coupling)
C. Allowing one module to affect the program flow of another via the use of a state message (messagecoupling)
D. Having two modules rely on the same global information structure (common coupling)
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