Under MSRB rules $,$ yield to worst means that : A all municipal bonds quoted on a yield basis must be priced to the near $-$ term in whole call date B municipal par bonds quoted on a yield basis must be priced to the near $-$ term in whole call date C D municipal discount bonds quoted on a yield basis must be priced to the near $-$ term in whole call date municipal premium bonds quoted on a yield basis must be priced to the near $-$ term in whole call date