It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.

A．produced

B．producing

C．to produce

D．having produced

患儿男，5岁。因发热、双耳垂肿痛3天，头痛、腹痛1天来诊。查体：中上腹部压痛明显，有肌紧张，无反跳痛。此患儿最可能诊断为（）

A.流行性腮腺炎合并急性胃肠炎

B.流行性腮腺炎并发脑膜脑炎

C.流行性腮腺炎合并睾丸炎

D.流行性腮腺炎合并胰腺炎

E.流行性腮腺炎并发胆囊炎