Identify the use of the italicized noun clause. "the reason i am late is that i had failed to set the alarm." (choose one) -direct object -subject -subject complement

The noun clause "that I had failed to set the alarm" is a subject complement.

Explanation:

A subject complement is a word, phrase, or clause that follows a linking verb and refers back to describe or complete the grammatical subject of the sentence.

In the given sentence, we have the linking verb is and the subject complement (the noun clause that I had failed to set the alarm) that describes or completes the subject of the sentence (The reason).

to me i think class room sitting education is better. i do online school and i have not learned a think haha. when i sit in the classroom i just sit there and kind of pay attention but still i get so far ahead in the class when im doing online i have nothing else better to do but play video games and i sit in school and learn and have friends and just actually learn. when i'm doing online i sit here listing to music and get on and and look up the answers i guess that is my fault for being a cheater. but to be honest i think sitting in the classroom is better.