My father often tells me some jokes to amuse me. Laugh, laugh.

Analysis of test questions: the causative verb make is followed by the prototype of the verb, which means to let someone do something. My father often tells jokes to make us laugh. So choose a.

Comments: Some verbs in English are followed by infinitives without to, such as causative verbs and sensory verbs. Some infinitives with to need to be accumulated in study and practice.