______that blood diseases are going to continue, we’ll have to______ them.
| A．Assumed; doing research at | B．Assuming; do research on |
| C．Assuming; do research for | D．Being assumed; do research on |
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______that blood diseases are going to continue, we’ll have to______ them.
| A．Assumed; doing research at | B．Assuming; do research on |
| C．Assuming; do research for | D．Being assumed; do research on |
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