OTTAWA—The Bank of Canada is keeping its key interest rate target on hold at 0.25 percent, saying economic conditions still require it even if things are going better than anticipated. In a statement, the central bank says it expects economic growth in the first quarter of 2021 to be positive, as opposed to its previous forecast in January for a contraction to start the year. The bank’s senior decision-makers say resilience in the economy has to do with consumers and businesses adapting to new rounds of lockdowns and restrictions. The statement also points to a stronger-than-expected housing market as a driver of an expected rise in real gross domestic product for the first three months of the year. But the central bank warns of considerable uncertainty about the path of the pandemic that muddies longer-term economic outlooks, including how long it will take for the labour market to recover from …