7+7+7+7写成乘法算式是[ ]

A．4×7

B．7×4

C．7×4或4×7

-- Tony, do you know if Frank ______ to the park with us this Sunday if it ______?

-- Sorry, I have no idea.

A．will go; is fine

B．goes; is fine

C．will go; will be fine

D．goes; will be fine