Vicious means deliberately cruel or violent.
Ex: a vicious assault
Worthless means having no real value or use.
Ex: that promise is worthless
Corrupt means having or showing a willingness to act dishonestly in return for money or personal gain.
Ex: unscrupulous logging companies assisted by corrupt officials
Flag means signal to a vehicle or driver to stop, especially by waving one's arm.
Ex: she flagged down a police patrol car
Censure means express severe disapproval of (someone or something), especially in a formal statement.
Ex: the company was heavily censured by inspectors from the Department of Trade
Thus option (B) is the correct choice.