After____that unforgettable love,he became more understanding.A.has experiencedB.experiencingC.experienced

After____that unforgettable love,he became more understanding.A.has experiencedB.experiencingC.experienced A trip to Beijing?A trip to Beijing I often travel to other places during my holiday,so I have been to many interesting cities such as Sichuan,Beijing and Yunnan.Among these cities,Beijing is my favourite city.The trip to Beijing makes me very unforg