Conversion of $A$ to $B$ :

$\backslash$table$[[$Base$,$Solvent,Temperature$],[$LDA$,$THF$,-78C$

What reaction conditions $-$ base, solvent, and temperature $-$ are needed to convert ketone A to either B or C by intramolecular alkylation reaction? Select the single best answer for each column.

or

A

B

C

conversion of A to B:

part $2()$ conversion to A to C