Answer:
It is a adverb modifying walk.
The sentence wants you to know you went on a walk.
The past participle of the verb of the word "go" that will complete the given sentence above is: have gone. The correct answer would be option D. The complete sentence is: All the flowers have gone to seed. The helping verb "have" is used along with the past participle of the verb go "gone" because the subject of the sentence is "flowers", which is plural.
I married early, and was happy to find in my wife a disposition not uncongenial with my own.
