Answer:
B. on all sides
Step-by-step explanation:
To circumvent means to get around something or to evade it. It also connotes the idea of avoiding something most times in a cunny way. In the context used above, to circumvent around the issue implies avoiding or getting around the issue.
The chairperson did not address the issue in a straight forward manner, rather, he tried to discreetly or cunningly avoid the issue.