Answer:
scared (first sentence)
Step-by-step explanation:
The past participle is the form of a verb, typically ending in -ed.
The words dripping and damaging are present particples. A present participle is a form of the verb ending in -ing.
Having heard is a perfect participle. A perfect participle consists of the word having and the past participle of the verb. In this case, heard is the past participle of the verb hear.