Which one of the following @Function to all "response"and "response to response"documents of parent documents?（）

单项选择题whichoneofthefollowingshouldmariadotodisplaythereleasedateinatextcolumn?（）

A.used the number and time format options 
B.used the @date to text functions to convert time to text 
C.concatenated the date types using mathematical operators 
D.used the @text functions to convert time and number data to text in text columns 

单项选择题tonywouldliketomakeiteasierforusersofthevideoapplicationtoenternewdocusingthe“videoform”,he’dlikeuserstobeabletocreatenew“video”docformwithintheview.Whichoneofthefollowingshouldtonysotobuildthisinterface?（）

A.create a view action that has the following formula：@command（[create]；”video”）
B.create a form action that has the following formula：@command（[compose]；”video”）
C.create a view action that has the following formula：@command（[compose]；”video”）
D.create a database action that has the following formula：@command（[compose]；”video”）