A：as a big house as
B：as big a house as
C：the same big house as
D：a house the same big as
—Which is more useful, reading or writing?
—I think _______ of them are useful.
自卑的人轻视自己，往往看不到自己的能力，即使可以做得很好，也不敢尝试。以下属于自卑行为的是（ ）
