You have imported a library with the birthMonth() function. Based on the API, how many strings are inputed to calculate the birth month?

// calculate birth month based on the day of the month, day of the week, and the birth year
// dayMonth {number} - a day of a month from 1 to 31
// dayWeek {string} - the name of the day of the week
// year {number} - the birth year
// return {string} - the month you were born
BirthdayLibrary.birthMonth(dayMonth, dayWeek, year);
A. 1

B. 4

C. 0

D. 3