Select the correctly constructed CHECK constraint to validate the signup$\_$date column of type data, to ensure that values placed into it are between $2020-01-01$ and $2025-01-01.$

a$.)$

CHECK $($signup$\_$date BETWEEN $2020-01-01$ AND $2025-01-01)$

b$.)$

CHECK $($signup$\_$date IN $\text{'}2020-01-01\text{'}$ AND $\text{'}2025-01-01\text{'})$

c$.)$

CHECK $($signup$\_$date BETWEEN $\text{'}2020-01-01\text{'}$ AND $\text{'}2025-01-01\text{'})$

d$.)$

CHECK $($signup$\_$date BETWEEN $\text{'}2020-01-01\text{'}$ OR $\text{'}2025-01-01\text{'})$