【单选题】
·you will hEAr A rADio rEport ABout FAmily BusinEssEs.
·For EACh quEstion 23-30, mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy EACh rECorDing.
thE spEAkEr sAys thAt thE pErCEntAgE oF BusinEssEs thAt ArE FAmily run isA.
B.
C.