—Did Jack come back early last night?

—Yes,it was not yet eight o’clock_______he arrived home.

A.why            B.when          C.that             D.which

—Did Jack come back early last night?

—Yes. It was not yet eight o’clock _______  he arrived home.

A．before         B．When         C．that          D．until

-Did Jack come back early last night?

-Yes. It was not yet eight o'clock _____  he arrived home.

A．before    B．When     C．that       D．until

--Did Jack come back early last night?

--Yes. It was not yet eight o’clock ________ he arrived home.

    A. before         B. when            C. that        D. until

----Did Jack come back early last night?
------Yes. It was not yet eight o’clock____ he arrived home.