In today's information age, the loss of data _________ cause serious problems for a company.
| A． |
need |
B． |
should |
C． |
can |
D． |
must |
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In today's information age, the loss of data _________ cause serious problems for a company.
| A． |
need |
B． |
should |
C． |
can |
D． |
must |
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