Which word or words in the sentence does the participle modify?

i am watching the marching band in the parade.

a. am watching

b. i

c. band

d. parade

explain and don't give a direct answer.

Read the passage below and answer the question. the old man was known for his probity. he was considered incorruptible. using context clues, how would you define the meaning of the word probity in the passage? curiosity drunkenness integrity corruptibility