We had to be patient because it＿＿＿some time ＿＿＿we got the full results.
| A．has been ； since | B．had been ； until |
| C．was； after | D．would be ； before |
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We had to be patient because it＿＿＿some time ＿＿＿we got the full results.
| A．has been ； since | B．had been ； until |
| C．was； after | D．would be ； before |
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