Do you remember those days ________ we spent along the seashore very happily?

A：who

B：whose

C：whom

D：whoever

A：all of which

B：all of them

C：none of whom

D：none of them

A：that

B：if

C：in order that

D：as

A：that

B：when

C：what

D：as

A：many of them

B：most whom

C：the majority of which

D：whose many

A：that

B：what

C：where

D：when

A：that

B：which

C：who

D：what

A：which

B：that

C：where

D：it

A：who

B：which

C：they

D：that

A：in which

B：in that

C：that

D：of which