4. 下列胃的惡性腫瘤中，何者與幽門螺旋桿菌(H. pylori, HP)密切相關，而且使用幽門螺旋桿菌(HP)廓清療法後至少超過半數(約50%至75%)的癌症可達到持續性緩解(durable remission)? (A) Gastric adenocarcinomas (B) Gastric MALT (mucosa-associated lymphoid tissue) lymphomas (C) Gastric leiomyosarcomas (D) Gastric GISTs (gastrointestinal stromal tumors) (E) Gastric NETs (neuroendocrine tumors)