I will give you some comfort in this difficult time.
If the underlined word in the sentence is COMFORT. Then, its synonym is SOLACE.
Solace is defined as the alleviation of distress or discomfort. Thus, when you give solace, you give comfort.
The answer is "My neighbors and my cousin ran in the fifth annual 10K race over the weekend."
Answer:
a. soft. none of the other words would make sense