Which one of the following statements is correct about the location of fertilization

A.fimbriaof fallopian tube

B.the junction ofisthmicand interstitialportion of fallopian tube

C.interstitial portion of fallopian tube

D.the junction of isthmicportion and ampullaof fallopian tube

正确答案：the junction of isthmicportion and ampullaof fallopian tube