Spring Festival Cup

Shen Qi and his wife escorted Shen Nuo Fei to the main campus of Second Experimental Primary School. Then a teacher from the school led the young math whizzes to the venue for the Spring Festival Cup preliminary round.

The proctors checked each contestant's information one by one.

"Ye Wushuang, computer 2."

"Chen Zihan, computer 7."

"Wen Mengya, computer 22."

"Shen Nuo Fei... Wait, young lady, you're only in first grade?"

The proctor looked at Shen Nuo Fei, who didn't even reach his chest, and was visibly astonished.

Shen Nuo Fei stood tall and said, "Uncle, I'm really good at math."

"Oh, Shen Nuo Fei, are you that good?" The proctor turned to Teacher Liu and asked, "Teacher Liu, are you sure Shen Nuo Fei is taking the fifth-grade preliminary round?"

Teacher Liu nodded. "Yes. The paperwork's already been taken care of. Otherwise, she wouldn't have been issued a fifth-grade admission ticket. If there's no problem, let Shen Nuo Fei take her seat."

"Everything's in order, but... All right, Shen Nuo Fei, computer 31." The proctor followed procedure and assigned Shen Nuo Fei to computer 31.

At nine o'clock sharp, the preliminary round began.

Shen Nuo Fei focused intently on the questions at computer 31.

Children found it easier than adults to focus on things that interested them. Shen Nuo Fei alternated between doing calculations in her head and working them out on scratch paper. She thought this was pretty fun.

The computer displayed the questions one by one. As soon as she finished one, the next appeared.

"2, 5, 8, 11, 14... What is the 1,995th term?

A. 5,984

B. 6,278

C. 1,995

D. 4,021."

Oh, this was a free point!

Mom had taught me arithmetic sequences, and Teacher Liu had too.

Shen Nuo Fei quickly worked out that