A university wants to know the names of courses with fewer than $5$ credits, taken by the youngest student without an email address.

The query below answers the university's question. Fill in the blanks.$($A$)($B$)($C$)$

SELECT C$.$Name

FROM Course C

INNER JOIN Section SE ON C$.$CourseID $=$ SE$.$CourseID

INNER JOIN Enrollment E ON SE$.$SectionID $=$ E$.$SectionID

INNER JOIN Student ST ON E$.$StudentID $=$ ST$.$StudentID

WHERE C$.$Credits $<5$ AND ST$.$BirthDate $=$

$($SELECT $\_\_\_\_($A$)\_\_\_\_$

FROM $\_\_\_\_($B$)\_\_\_\_$

WHERE EmailAddress IS $\_\_\_\_($C$)\_\_\_\_)$;