Python: Which of the following statements creates a dictionary with $4$ entries?

Group of answer choices

x $=\{4\}$

x $=$ dict$(4)$

x $=\{"$A$"$: $1,"$B$"$: $2\}$

x $=\{"$A$"$: $1,"$B$"$: $2,"$C$"$: $3,"$D$"$: $4\}$