meaning of "Lap of the semester"

[Lya]

English Language Tests, Intermediate level

ESL/EFL Test #522 "English Slang Idioms (264)", question 1

"I am glad that our final exams are coming up. It is always a stressful time but it signifies that we are on the last ......... of the semester," Dina said to Blanche.

(a) lap
(b) leap
(c) lump
(d) lark

English Language Tests, Intermediate level

ESL/EFL Test #522 "English Slang Idioms (264)", answer 1

"I am glad that our final exams are coming up. It is always a stressful time but it signifies that we are on the last lap of the semester," Dina said to Blanche.

Correct answer: (a) lap

Your answer was: incorrect
"I am glad that our final exams are coming up. It is always a stressful time but it signifies that we are on the last leap of the semester," Dina said to Blanche.
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Hi, i just wondering what does it means by saying " Lap of the semester"?

Lya

[Mister Micawber]

.
'Lap' = A segment or stage.
.
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Native English teacher at Mister Micawber's