All Except Which One of the Following Would Be Considered

All except which one of the following would be considered an unfair labour practice in one or more Canadian jurisdictions?

A) a union kicking people off its executive committee for refusing to engage in an illegal wildcat strike
B) a union making a financial contribution to an employer's association
C) management promising a 10% pay raise to workers during a union organizing drive
D) locking out employees after conciliation has failed and several weeks have elapsed
E) hiring professional strikebreakers